000 00375nam a2200157Ia 4500
008 180710s9999 xx 000 0 und d
020 _a77911
082 _a618.2
_bBEC
100 _aBECK
245 _aBECK's obstetrical practice
250 _a8th ed.
260 _aBaltimore
_bThe williams & wilkins
_c1966
300 _axii, 658 p.
650 _aObstetrics
942 _cS
999 _c57478
_d57478