Looking back: a blood test for the determination of sex in utero by means of dialysis in 1915.
Beekman
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D005260:Female; D006403:Hematologic Tests / Q000266:history; D049673:History, 20th Century; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000266:history / Q000379:methods; D006435:Renal Dialysis / Q000266:history; D012680:Sensitivity and Specificity; D012732:Sex Determination Analysis / Q000266:history* / Q000379:methods