000 00263 a2200097 4500
005 20220607084326.0
245 _aPerinatology- Neonatology
260 _aLos Angeles
_c1987
490 _vVol. 11
_a Journal of maternal- fetal and neonatal health care
942 _2lcc
_cCR
999 _c27933
_d27933