Letter: Cost of preventing retrolental fibroplasia.
D001238:Asphyxia Neonatorum / Q000628:therapy; D001724:Birth Weight; D005260:Female; D005313:Fetal Death / Q000209:etiology; D006801:Humans; D000860:Hypoxia / Q000150:complications / Q000628:therapy; D007226:Infant Mortality; D007231:Infant, Newborn; D010102:Oxygen Inhalation Therapy / Q000009:adverse effects; D011247:Pregnancy; D012178:Retinopathy of Prematurity / Q000517:prevention & control*; D013997:Time Factors; D006113:United Kingdom