Imamovic Kumalic, S. ., I. . Virant Klun, E. . Vrtacnik Bokal, and B. Pinter. “Effect of the Oral Intake of Astaxanthin on Semen Parameters in Patients With Oligo-Astheno-Teratozoospermia: A Randomized Double-Blind Placebo-Controlled Trial: Oral Intake of Astaxanthin and Semen Parameters in Infertile Patients”. Radiology and Oncology, vol. 55, no. 1, Feb. 2021, pp. 97-105,