A special festschrift issue in honour of Zena Stein and Mervyn Susser.
D004813:Epidemiology; D005260:Female; D049673:History, 20th Century; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology*; D010372:Pediatrics; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*