COMMONWEALTH vs. JOSEPH A. BLAZO.

GREANEY, J. On March 10, 1977, the defendant was found guilty by a Superior Court jury of fathering an illegitimate child in violation of G. L. c. 273, Section 11, prior to its repeal by St. 1977, c. 848, Section 7 (see now Commonwealth v. MacKenzie, 368 Mass. 613, 616-619 [1975]; G. L. c. 273, Section 12, as amended by St. 1977, c. 848 Section 5). The two issues presented upon appeal through the defendant's substitute bill of exceptions are: (a) whether the trial court abused its discretion in refusing to order the Human Leukocyte Antigen (HLA) white blood cell test for the defendant, mother, and child (which when combined with traditional red blood cell tests excludes paternity in approximately ninety-nine per cent of the males tested, see Lombard, Family Law Section 691 [Supp. 1979]), where the defendant pursuant to G. L. c. 273, Section 12A, had previously received a variety of red blood cell tests having a cumulative exclusion factor of approximately eighty per cent, see Lombard, Family Law Section 691, at 669 (1967); and (b) whether the court abused its discretion in refusing to issue a bench warrant for the arrest of a witness who had ignored two subpoenas and who the defendant claimed had had sexual relations with the complainant during the relevant times. We affirm the conviction and the order denying the motion for a new trial.

1. There was no abuse of discretion in refusing to order additional blood tests for the defendant, the mother, and the child pursuant to G. L. c. 273, Section 12A. See Commonwealth v. D'Avella, 339 Mass. 642, 644-646 (1959). See also Blazo v. Superior Court, 366 Mass. 141, 144, 145-146 (1974). The defendant was administered a series of red blood cell tests in 1973. At that time, utilization of such tests was the ordinary and accepted means of excluding paternity, where exclusion was possible. See Lombard, Family Law Section 724, at 708-709 (1967) (for chart of factors tested in D'Avella, supra). The defendant's motion for an HLA test was considered and denied by the court in 1975,

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before publication of forensic literature now cited to us by the defendant which touts the advisability of adding the HLA test to the more usual red blood cell analysis. See, e.g., Joint AMA-ABA Guidelines: Present Status of Serologic Testing in Problems of Disputed Parentage, 10 Fam. L.Q. 247, 283 (1976). In 1975, while ten European countries utilized the more accurate HLA tests for paternity testing (Lee, Current Status of Paternity Testing, 9 Fam. L.Q. 615, 624 [1975]), a seventy per cent chance of exclusion based upon red blood cell analysis was the norm in the United States. Id. at 633. In 1976, the joint AMA-ABA guidelines pointed out that "HLA typing is currently evolving so that the specificity of individual tests sera must be considered in establishing the reliability of the test results" and explained that because HLA factors varied according to "subpopulations within various geographic regions of the world," it was necessary to have "a determination of the racial and geographic origin of the subjects in order to calculate the probability of exclusion of paternity." Joint AMA-ABA Guidelines, supra at 274-276. The defendant did not renew his motion at the commencement of the trial in light of the newly available AMA-ABA guidelines on the subject. Moreover, the case was tried in 1977, before scientific evidence as to the high reliability of the HLA test was generally available. See Terasaki, Resolution by HLA Testing of 1000 Paternity Cases not Excluded by ABO Testing, 16 J. Fam. L. 543 (1978). Contrast Lombard, Family Law Sections 692, 694, 700, 725 (1967) with Lombard, Family Law Section 691, Section 692.5, at 258 ("The original text and prior supplements explain the blood grouping systems in use up to the introduction of the HLA system into this work"), Section 694, and Section 700, at 273 ("The chances of exclusion of paternity of a man falsely accused ha[ve] been determined to be over 99% as of June 1978, where all recognized and up-to-date tests have been performed") (Supp. 1979). The judge could have determined on the record before him at the time when he was asked to make this decision that the reliability of and general acceptance of the HLA test had not been established.

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See Commonwealth v. Fatalo, 346 Mass. 266, 269-270 (1963), and cases cited; Commonwealth v. Lykus, 367 Mass. 191, 202 (1975); Commonwealth v. Vitello, 376 Mass. 426, 442-443 (1978). He was also warranted in relying upon the medical evidence offered in support of the defendant's motion in the form of a letter from a doctor at Peter Bent Brigham Hospital which stated that the HLA Antigen blood grouping test was not conclusive as to paternity and that there was "no guarantee . . . that the HLA typing will provide a definitive answer." Based on the foregoing, there was no error in the judge's conclusion that the defendant's rights "had been reasonably and adequately protected by the allowance of the previously granted blood grouping test[s]."

In view of the high level of accuracy now attained from the HLA test and its recognition and general acceptance by the scientific and medical community since the date of this trial, in any contested paternity case arising hereafter when the putative father requests [Note 1] the HLA test, the judge should carefully consider in the exercise of his or her sound discretion ordering the administration of the HLA test to the defendant, the mother, and the child.

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2. The judge did not abuse his discretion in refusing to issue a bench warrant for a witness who had been served with subpoenas and who had failed to appear in court on two occasions. A defendant's right to present witnesses in his own behalf is not absolute. Commonwealth v. Blaikie, 375 Mass. 601, 608 (1978). Instead, "where the expected testimony . . . is merely cumulative of other available testimony to the same effect . . ., the denial of process to obtain or compel the attendance of that individual involves an element of discretion on the part of the trial judge, and it is not in all cases a violation of the defendant's constitutional rights." Commonwealth v. Watkins, 375 Mass. 472, 489 (1978). See Commonwealth v. Funderberg, 374 Mass. 577, 580-581 (1978). See also Commonwealth v. Dirring, 354 Mass. 523, 529 (1968). See now Mass.R.Crim.P. 17(e), 378 Mass. 887 (1979) (providing that "[i]f a person served with a summons pursuant to this rule fails to appear . . . a warrant may issue to bring that person before the court" [emphasis supplied]). The defendant presumably expected to prove through the testimony of the reluctant witness that the complainant and the witness had had sexual relations during the period in which the complainant became pregnant (although the record is silent as to whether an offer of proof was made to the trial judge). Evidence of similar import buttressing the defendant's contention that he was not the father of the child was presented to the jury through the testimony of mutual friends of the parties, relatives of the defendant, and the wife of the reluctant witness. In particular, the judge's incisive questioning of the witness' wife served to establish the public engagement of the complainant and the witness for the relevant period, during which, other witnesses testified, the defendant had broken off relations with the complainant. Given the facts that the trial was already in progress when the defendant requested the warrant, and that the defendant made no indication to the trial court that the absent witness would add anything of substance to the defense already presented to the jury, the judge acted reasonably in denying the defendant's request.

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3. An abuse of discretion has not been demonstrated in any other respect by the judge's denial of the motion for a new trial. Commonwealth v. Breen, 357 Mass. 441, 448 (1970). Commonwealth v. Meuse, 3 Mass. App. Ct. 189, 192 (1975). Other assignments of error raised in the defendant's substitute bill of exceptions have not been briefed and are deemed waived. Commonwealth v. Watkins, 375 Mass. at 474 n.2.

Exceptions overruled.

Order denying motion for new trial affirmed.