1. Desarrollo embrionario y fetal del ojo humano;Perez Llorca;Arch. Soc. Oftal., Hispano-Am.,1954
2. The artificial production of a single median cyclopean eye in the fish embryo by means of sea water solutions of magnesium chlorid;Stockard;Arch. f. Entw. Mech. d. Urg.,1907
3. Cyclopie par Taction de lithium chez la limnée (Limnaea stagnalis L.);Raven;Acta Anatomica,1947
4. Copenhaver and Detwiller: Experimental study of the development of the heart of amblyotoma. Cited by Perez Llorca1 p. 1157.
5. Differential susceptibility as a basis for modification and control of early development in the frog;Bellamy;Biol. Bull.,1919