000 00445 a2200181 4500
020 _a0023461403
020 _a9780023461408
082 0 4 _a613
_bGRH
100 1 _aGray, Stephen E.
_950703
245 1 0 _aHealth now
_cStephen E. Gray
260 _aNew York:
_bMacmillan pub co,
_c1976.
300 _axi, 434 p.
500 _aPB
546 _aEng
650 _aHygiene
_9257439
700 1 _aMatson, Hollis N.(jt.auth.)
_9257440
942 _cBK
999 _c58229
_d58229