Betke-Kleihauer test
Pronunciation: bet′kĕ klī′how-ĕr
Definition: a slide test for the presence of fetal red blood cells among those of the mother; hemoglobins other than Hb F are eluted from the red blood cells on an air-dried blood film by a buffer of pH 3.3.
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Examples: glitazone, GI cocktail, etc.

