000 00453pam a2200169 a 4500
020 _a0884165132
050 1 0 _aRG526
_b.C55 1986
245 0 0 _aClinical obstetrics : a public health perspective
260 _aLittleton, Mass.
_bPSG Pub. Co.
_c1986.
300 _ax, 308 p.
_bill.
650 0 _aObstetrics.
650 0 _aEpidemiology.
650 2 _aEpidemiologic Methods.
700 1 _aSachs, Benjamin P.
700 1 _aAcker, David.
942 _cBK
999 _c13937
_d13937