Clinics in Perinatology - Quarterly SLML:2(Sep 1975);6(Mar,Sep 1979);7(Mar, Sep 1980);8(Feb,June Oct 1981);19(Mar, June Sep,Dec 1992);20(Mar, June, Sep, Dec 1993);22(Mar,June,Sep, 1995);23(Dec 1996);24(Mar,Sep Dec 1997);25(Mar,June Sep Dec 1998);26(Mar, June, Dec 1999);27(Mar,June,Dec 2000);28(Mar,June, Sep Dec 2001); - Philadelphia:WB Saunders 1975 2001

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