000 00380nam a22001457a 4500
008 170710b xxu||||| |||| 00| 0 eng d
020 _a0838596428
060 _aWQ 100
_bW34
_2
245 _aWilliams obstetrics
_cCunningham, F.Gary... [et.al]
250 _a20th ed.
260 _aTexas
_bAppleton and Lange
_c1997
300 _a1448 p.
942 _2lcc
_cBK
999 _c3840
_d3840