Medicine: Rh in Marriage

A new factor has been added to the marital equation. It is the Rh factor in human blood, discovered in 1940 and so named because famed Blood Analysts Karl Landsteiner and Alexander Solomon Wiener used rhesus monkeys in their early experiments. Exactly what the factor is, doctors still do not know, but they have devised tests to determine who is Rh-positive and who is Rh-negative, and have found that the Rh factor sometimes complicates blood transfusion. Last week Dr. Enrique Eduardo Ecker of Cleveland's Western Reserve University advocated premarital tests for the factor....

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