Kanadys K, Kościuszko K, Stadnicka G, Piasecka K, Ślizień-Kuczapska E, Pilewska-Kozak A. Factors influencing the regularity of the menstrual cycle in Polish university female students. FetR [Internet]. 2025 Sep. 22 [cited 2025 Sep. 26];63(3):61-7. Available from: https://fidesetratio.com.pl/ojs/index.php/FetR/article/view/1445