000 00320 a2200133 4500
020 _a989382219057
050 _aRA425
_bP11
100 _lEnglish
_qPark K
245 _aPark's Textbook of Preventive and Social Medicine
250 _a23rd Edition
260 _aBanarsidas
_bBhanot
_c2015
300 _av, 936p.
942 _2lcc
999 _c300
_d300