1. Clinical notes on uterine surgery with special reference to the management of the sterile condition;Sims,1866
2. Cervical mucus: present state of knowledge;World Health Organization,1973
3. Laboratory manual for the examination of human semen and semen-cervical mucus interaction;World Health Organization,1980
4. The characteristics of the two-part partitioned ejaculate and the advantages of its use for intrauterine insemination;Farris;Fertil Steril,1960
5. Studies on prostaglandin occurrence, formation, and biological actions;Eliasson;Acta Physiol Scand,1959