Niedobylski, S., Laszczak, K., Warchoł, K., Marczak, A., Dobosz, M., Lewicki, M. and Obel, E. 2020. Male hypogonadotropic hypogonadism in various genetic disorders. Journal of Education, Health and Sport. 10, 9 (Sep. 2020), 143–160. DOI:https://doi.org/10.12775/JEHS.2020.10.09.017.