[A new counting method for the quantitative determination of the smallest number of fetal erythrocytes circulating in the maternal circulation].
D004906:Erythrocyte Count; D004912:Erythrocytes; D005260:Female; D006801:Humans; D008431:Maternal-Fetal Exchange; D010829:Physiological Phenomena; D011247:Pregnancy
ERYTHROCYTE COUNT; MATERNAL-FETAL EXCHANGE