1. On vitreous implants.;Castrén;Acta Ophth.,1961
2. Über Glaskörperimplantationen.;Castrén;Klin. Monatsbl. Augenhk.,1962
3. The recent development of surgery on the vitreous.;Castrén;Acta Ophth.,1963
4. Castrén , J. A. Intrabulbar vitreous and hyaluronic acid injections Acta Ophth.
5. Castrén , J. A. Laamanen , A. The resorption speed of the intravitreally injected traced proteins To be published in Acta Ophth