智能周期追踪器

参考文献：

[1] Dawood MY. Prostaglandins and menstruation. Ann N Y Acad Sci. 1994;734:426-30.

[2] Seifert B, et al. Magnesium - a new therapeutic alternative in primary dysmenorrhea. Zentralbl Gynakol. 1989;111(11):755-60.