Vaginal Flora Support [online]. Tao of Herbs [cit. 2009-06-17]. Dostupné online. (anglicky)
web.archive.org
ONDERDONK, A. B.; ZAMARCHI, G. R. a kolektiv. Methods for quantitative and qualitative evaluation of vaginal microflora during menstruation [online]. Applied and Environmental Microbiology, 1986-2 [cit. 2009-06-17]. Dostupné v archivu pořízeném dne 2020-07-28. (anglicky)