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Selected References
These references are in PubMed. This may not be the complete list of references from this article.
- Hallberg L., Högdahl A. M., Nilsson L., Rybo G. Menstrual blood loss--a population study. Variation at different ages and attempts to define normality. Acta Obstet Gynecol Scand. 1966;45(3):320–351. doi: 10.3109/00016346609158455. [DOI] [PubMed] [Google Scholar]
