1. Clinical measurement of uterine forces in pregnancy and labor;Reynolds,1954
2. Ultrasonic visualization of endometrial movements;Birnholz;Fertil Steril,1984
3. Observation of endometrial movement with transvaginal sonography;Oike;J Ultrasound Med,1988
4. Die Architektur der Muskelwand des menschlichen Uterus and ihre funktionelle Bedeutung;Goerttler;Gegenbaurs Morphol Jahrb,1930
5. Physiological bases of gynecology and obstetrics;Reynolds,1952