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082 _a614.44076
_bRAT
_223
100 _aRATAN, Vidya
245 _aMultiple choice questions in preventive and social medicine /
_c[by] Vidya Ratan
260 _aDelhi
_bJaypee brothers
_c1980
300 _a116 p.
650 _aPreventive and social medicine
942 _cS