[A study on the feasibility of prenatal diagnosis of beta-thalassemia by DNA polymorphisms in the Chinese].
D002681:China; D004262:DNA Restriction Enzymes; D005260:Female; D006801:Humans; D008297:Male; D011110:Polymorphism, Genetic; D012150:Polymorphism, Restriction Fragment Length; D011247:Pregnancy; D011296:Prenatal Diagnosis; D013789:Thalassemia / Q000175:diagnosis*
D004262:DNA Restriction Enzymes