Ossification of femoral head in infancy. I. Normal standards.
Observations made in 455 Malmö infants with assumedly normal ossification of the femoral heads were used for establishing reference standards for the age at onset of the ossification and for the size of the ossification centers according to sex and age.
D000367:Age Factors; D005260:Female; D005270:Femur Head / Q000000981:diagnostic imaging / Q000254:growth & development*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008954:Models, Biological; D010012:Osteogenesis; D011859:Radiography; D012015:Reference Standards; D012044:Regression Analysis; D012737:Sex Factors