The influence of genetic differences, nutrition and sex on the radiological appearances of the lower limb ossification centres in newborn twins.
D000842:Ankle / Q000000981:diagnostic imaging / Q000502:physiology*; D002113:Calcification, Physiologic; D005260:Female; D005826:Genetics, Medical; D006801:Humans; D007231:Infant, Newborn; D007717:Knee / Q000000981:diagnostic imaging; D007866:Leg / Q000502:physiology*; D008297:Male; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011859:Radiography; D012737:Sex Factors; D014427:Twins