000 00338nam a22001457a 4500
999 _c6439
_d6439
003 OSt
005 20190513132526.0
008 190513b ||||| |||| 00| 0 eng d
040 _aBC
100 _aLULL, Clifford
245 _aObstetricia clínica
260 _aMéxico
_bInteramericana
_c1964
300 _a733 p.
942 _2udc
_cBK