[ Letter: Comments on: X-ray examination of ossification centres in the knee joint and maturity of the newborn by E. Kofler and K. Brezina pädiatr. u. pädol. 8, 52-67 (1974)].
D001724:Birth Weight; D004838:Epiphyses / Q000502:physiology; D005260:Female; D005865:Gestational Age; D006801:Humans; D007231:Infant, Newborn; D007719:Knee Joint / Q000000981:diagnostic imaging* / Q000196:embryology; D010012:Osteogenesis; D010922:Placenta Diseases / Q000150:complications; D011225:Pre-Eclampsia / Q000150:complications; D011247:Pregnancy; D011859:Radiography