000 00312nam a22001217a 4500
999 _c24578
_d24578
082 _a306.461 GUP-I
100 _aM.C. Gupta
100 _aB.K. Mahajan
245 _aTextbook of Preventive and Social Medicine
250 _a3rd ed.
260 _aNew Delhi
_bJay Pee Brothers Medical Publishers
_c2003
942 _cBK