01003nam a2200289 k 4500001001300000005001500013008004100028010002300069020001500092040001300107049001300120052001800133082001600151100004300167245011400210260004000324300002600364500006200390504004900452650002200501650002100523653002400544700005100568740003700619950001700656963004000673WMO20021221620020926102257760709r19771970us a          001   eng    a   76025195 //r862  a0396073565  aDLCcDLC0 lWM35190202a613.94bR787c0 a613.9/42211 aRorvik, David M.,d1946-0KAC20142923810aChoose your baby's sex:bthe one sex-selection method that works/dby David M. Rorvik and Landrum B. Shettles  aNew York:bDodd, Mead,c1977, c1970  a175 p.:bill.;c22 cm  aFirst ed. published in 1970 under title: Your baby's sex.  aIncludes bibliographical references & index. 0aSex preselection. 0aSex chromosomes.  aBABYSaSEXSELECTION1 aShettles, Landrum B.q(Landrum Brewer),d1909-0 aSex-selection method that works.1 a가격불명  aSexapreselectionaSexachromosomes