1. Recent increase in mortality from hyaline membrane disease;Avery;J. Pediat.,1960
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3. The significance of prematurity on the eye;Castrén;Acta Ophthal. (Kbh.),1955
4. Fibroplasia retrolentalis-potilaiden jälkitutkimus;Castrén;Duodecim (Helsinki),1967
5. Delayed diagnosis of retrolental fibroplasia;Cubey;Trans. ophthal. Soc. U. K.,1976