000 00320nam a2200121Ia 4500
001 26772
008 170722s9999 xx 000 0 und d
100 _aBedi, Yash Pal
245 _aHand book of hygiene and public health for medical and publ-ic helath students /
250 _a9th ed.
260 _c1967.
942 _cGEN
999 _c72426
_d72426