Retinal vascular development in premature infants.
D000367:Age Factors; D001724:Birth Weight; D005260:Female; D005865:Gestational Age; D006801:Humans; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007234:Infant, Premature; D008566:Membranes / Q000254:growth & development; D009887:Ophthalmoscopy; D009898:Optic Disk / Q000254:growth & development; D011247:Pregnancy; D011680:Pupil / Q000254:growth & development; D012171:Retinal Vessels / Q000254:growth & development*; D014427:Twins