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999 _c28365
_d28365
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020 _a8171790488
082 _a614.44076
_bRAT
_223
100 _aRATAN, Vidya
245 _aMultiple choice qeustions in preventive and social medicine /
_c[by] Vidya Ratan
250 _a4th ed.
260 _aDelhi
_bJaypee brothers
_c1991
300 _a116 p.
650 _aPublic preventive medicine
942 _cR