The Nature of Things

Prenatal Diagnosis of Spina Bifida / Amniocentesis (21x10)

Data di messa in onda: Dic 10, 1980

Scheduled: Reports on prenatal diagnosis of spina bifida, Tay-Sachs disease and Down's syndrome using amniocentesis, ultrasonography and fetoscopy; the use of chinchillas in researching damage to human ears caused by exposure to noise.