000 00287nam a2200133Ia 4500
008 200512s9999 xx 000 0 und d
082 _a618.1
100 _aBalakrishnan
245 0 _aTextbook of Obstetrics
250 _a2
260 _bPMP
_c2013
440 _v-
650 _aobstetric
999 _c56697
_d56697