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Fischer, Carolin C; Persson, Rigmor E; Persson, G Rutger (2008). Influence of the menstrual cycle on the oral microbial flora in women: a case-control study including men as control subjects. Journal of periodontology, 79(10), pp. 1966-73. Chicago, Ill.: American Academy of Periodontology 10.1902/jop.2008.080057
Fischer, CC; Perssson, RE; Perssson, GR (2008). Influence of hormonal contraceptives on the oral microbiota. Perio - periodontal practice today(3), pp. 205-212. New Malden, UK: Quintessence Publishing Group
