Retinopathy of prematurity : reports from the nordic countries / edit. Hans Fledelius, Gerd Holmström, Gunnar Lennerstrand : proceedings of a symposium at the 6th Nordic Pediatric Ophtalmology Congress, Wenner-Gren Center, Stockholm Vol. 71 suppl. 210 1993. Copenhagen : Scriptor, 1993. 99 s.ISBN 87-7264-041-3 [1, z toho voľných 0, prezenčne 1]