S. Z. Chen

The physiological role of the sitting parturient posture.

T. Kigawa, R. Matsuoka, K. Aisaka, 2010, Asia-Oceania journal of obstetrics and gynaecology.

Effects of Sitting Position on Uterine Activity During Labor

T. Kigawa, K. Aisaka, H. Mori, 1986, Obstetrics and gynecology.

Uterine malignancies developing after a long term use of IUCD's.

C. Hsu, T. Chen, C. Roan, 2010, Asia-Oceania journal of obstetrics and gynaecology.