000 00302nam a2200121Ia 4500
008 211105s9999 xx 000 0 und d
020 _aVYASA09120
100 _aPark K.
245 0 _aPark'S Textbook Of Preventive And Social Medicine
250 _a20th
260 _bBanarsidas Bhanot
_c\N
300 _a832
999 _c9738
_d9738