000 00274nam a22001217a 4500
999 _c2267
_d2267
020 _a9788190607995
082 _a614.4
100 _aK. Park
245 _aPark's Textbook Of Preventive And Social Medicine
260 _aIndia
_bPrem Nagar
_c2011
300 _a868
942 _cBK