000 00324nam a2200133Ia 4500
008 210901s1980 xx 000 0 eng d
082 _a617 BED
100 _aBedi, Yash Pal
245 0 _aSocial and Preventive Medicine
260 _aDelhi
_bAtma Ram
_c1980
300 _a561
650 _aMedical Science
942 _2ddc
_cBK
999 _c15389
_d15389