000 00263nam a2200097 4500
245 _aMedical subject headings
260 _aWashington, U. S.
_bEducation and Welfare
_c1968
300 _av.; 28cm.
500 _av.9.1.2 : Index medicus
082 _aLib
_b025.3361016 MED
999 _c66287
_d66287