The<unk> , also known as A or Apt<unk> , is a medical<unk>  used to differentiate fetal or neonatal blood from maternal blood found in a newborn's stool or vomit, or from maternal vaginal blood.
Alkali denaturation test
Lea test
Bolton analysis
Euglobulin lysis time
Schilling test
Sabin–Feldman dye test
Kurzrock–Miller test
Lecithin–sphingomyelin ratio