Jarema , R. K. „Reasons to Use Herbal Supplements With Sabal Palm Fruit Extract (Serenoa Repens) in Patients With Benign Prostatic Hyperplasia from urologist’s Perspective”. Medycyna Faktów , T. 9, nr 2(31), czerwiec 2016, s. 126-8, https://journalsmededu.pl/index.php/jebm/article/view/2249.