title: Immunohematology problem.
mesh_terms: D001788:Blood Grouping and Crossmatching; D003298:Coombs Test; D004899:Erythroblastosis, Fetal / Q000175:diagnosis*; D005260:Female; D005312:Fetal Blood / Q000032:analysis; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy