MD: navy reservist injured playing volleyball: Feres doctrine precludes med. mal. suit v U.S.
D001265:Athletic Injuries / Q000601:surgery*; D006801:Humans; D007718:Knee Injuries / Q000601:surgery*; D007899:Leisure Activities; D008297:Male; D008318:Malpractice / Q000331:legislation & jurisprudence*; D008396:Maryland; D008887:Military Medicine / Q000331:legislation & jurisprudence*; D008889:Military Personnel / Q000331:legislation & jurisprudence*