000 00281 a2200109 4500
005 20220522230326.0
022 _a00144142
245 _aObstetrics and gynecology
260 _aAmsterdam
_bAssociated Scientific Publishers
_c1979
490 _aExcerpta medica
_vVol.35
942 _2lcc
_cCR
999 _c24158
_d24158