000 00323nam a2200109Ia 4500
008 220729s2005 xx 000 0 und d
041 _aeng
100 _aGupta M.C And B.K. Mahajan
245 _aTextbook of preventive and social medicine
250 _a3
260 _aNew Delhi
_bJP Brothers Publishers and Distributors
_c2005
999 _c133543
_d133543