Svechnikov K, Landreh L, Weisser J, Izzo G, Colón E, Svechnikova I, Söder O (2010). „Origin, development and regulation of human Leydig cells” (angol nyelven). Horm Res Paediatr.73 (2), 93–101. o. DOI:10.1159/000277141. PMID 20190545.
Svechnikov K, Landreh L, Weisser J, Izzo G, Colón E, Svechnikova I, Söder O (2010). „Origin, development and regulation of human Leydig cells” (angol nyelven). Horm Res Paediatr.73 (2), 93–101. o. DOI:10.1159/000277141. PMID 20190545.