Macera, M J Ammonium chloride pretreatment of bloody amniotic fluids for cytogenetic analysis. [electronic resource] - American journal of obstetrics and gynecology Mar 1990 - 868-70 p. digital Publication Type: Letter ISSN: 0002-9378 Standard No.: 10.1016/0002-9378(90)91036-c doi Subjects--Topical Terms: Ammonium ChlorideAmniotic Fluid--metabolismBlood--metabolismCytogenetics--methodsHumans