000 00303nam a2200121Ia 4500
008 211105s9999 xx 000 0 und d
020 _aVYASA09118
100 _aK Park.
245 0 _aPark'S Text Book Of Preventive And Social Medicine
250 _a\N
260 _bBanarsidas bhanot
_c\N
300 _a832p.
999 _c9514
_d9514