000 00300 a2200121 4500
008 151002tMar.-Apr. 1989
245 _aJournal of the American Medical Association
250 _aVol. 261 Nos. 9-16
260 _aU.S.A.
260 _bAmerican Medical Association
260 _cMar.-Apr. 1989
942 _cBV
999 _c3346
_d3346