* Oleson T, Flocco W: Randomized controlled study of premenstrual symptoms treated with ear, hand and foot reflexology. Obstet Gynecol, 82, 096-911, 1993
* Oleson T, Flocco W: Randomized controlled study of premenstrual symptoms treated with ear, hand and foot reflexology. Obstet Gynecol, 82, 096-911, 1993