1. Callahan, A., and Altamirano, R.: Alpha chymotrypsin in cataract surgery. Southern M. J., November, 1959, pp. 1327–1330.
2. Haik, G. M. (editor): Symposium on Diseases and Surgery of the Lens. St. Louis, Mosby, 1957, pp. 159, 219–220.
3. Experimental and clinical studies on certain safety factors in closure of incisions;Hilding;Am. J. Ophth.,1945
4. Advanced Surgery of Cataract;Kirby,1955
5. Delayed restoration of anterior chamber;Kronfeld;Am. J. Ophth.,1954