000 004830000a22002170004500
003 OSt
005 20251030155043.0
040 _cTRA
041 _a English
082 _a614
_bB692p 1945
100 _a Boyd, Mark F.
245 _aPreventive medicine
250 _a7th
260 _aPhiladelphia
_bW. B. Saunders
_c 1945
300 _a591 p.
650 _a Medicine
650 _a Preventive medicine
650 _a Public health
650 _aHygiene
942 _cENG
999 _c90816
_d90816