Grigolienė R, Pridotkas G, Bučys K, Švitra D. The mathematical model of the menstrual cycle with time delay depending on the researched function. LMR [Internet]. 2001 Dec. 17 [cited 2025 Dec. 5];41(spec.):573–577 . Available from: https://www.journals.vu.lt/LMR/article/view/34734