000 00597cam a2200217 4500
001 CN99802
008 120401t2018 xxu||||| |||| 00| 0 eng d
022 _a00297844
100 _aOlga Ramm
240 _aObstetrics & Gynecology
245 _aRisk Factors for the Development of Obstetric Anal Sphincter Injuries in Modern Obstetric Practice
260 _c2018
300 _a290-296
500 _aSerial
500 _a29324610
500 _a7478845
500 _a131
500 _a2
500 _ahttps://doi.org/10.1097/AOG.0000000000002444
500 _aDocument_7478845_11376.pdf
999 _c72311
_d72311