1. The role of vitamin B12 in deoxyribonucleic acid synthesis: Studies of a model megaloblast;Beck;Trans. Ass. Amer. Phycns,1965
2. Positive correlation between the level of protein carboxyl methylase in spermatozoa and sperm motility;Gagnon;Fertil. Steril.,1986
3. Therapeutic effects of Methylcobalamin on spinal and peripheral nerve disturbances. - A double-blind study - Jap;Kameyama;J. clin. exp. Med.,1972
4. Effect of methylcobalamin on sperm count and sperm motility in oligozoospermie cases;Kimura;Jap. J. Fertil. Steril.,1981