1. Statistical study of the cervix as a factor in sterility in 1,631 cases: Results of treatment;Clavero;Rev. españ. obst. y gynec.,1954
2. Relation of cervical mucus and asthenospermia in sterility;Sandler;Am. J. Obst. & Gynec.,1952
3. An experimental study of the penetration of human cervical mucus by spermatozoa in vitro;Harvey;Am. J. Obst. & Gynec.,1954
4. Spermigration and cyclic changes in cervical mucus;Bergman;Fertil. & Steril.,1953
5. The invasion of the internal genitals of the woman by the spermatozoa;Seguy;Am. J. Obst. & Gynec.,1954