000 00284nam a2200109Ia 4500
008 160930s9999 xx 000 0 und d
100 _aSinha, C. K.
245 _aPreventive and Social Medicine
260 _aPatna
_bScientific Book Company
_c1999
300 _a279p.;20.8cm.
942 _cDB
999 _c8789
_d8789