000 00390nam a2200157Ia 4500
008 170101s1968 xx 000 0 und d
082 _a614 G28T
100 _aGHAI, Amarnath
245 0 _aTextbook of public health and social medicine
250 _a2nd ed.
260 _bNew Delhi
_c1968
300 _a393p
650 _aHYGIENE, PUBLIC
653 _aHYGIENE, PUBLIC
942 _2ddc
_cB
999 _c34463
_d34463