1. Cytological and Histological Studies after Prolonged Use of IUCDs;Ishihama,1964
2. Vaginal and Cervical Histology of Women Using Plastic IUCDs;Pincus,1964
3. Effect of Lippes Loop on Intrauterine Temperature;Stevensen,1965
4. A Study of Intrauterine Contraception—Development of a Plastic Loop;Lippes,1962
5. Effect of IUCDs on Milk Ejection and on Menstrual Cycle;Vorys,1964