Media type: E-Article Title: The role of hormones in initiation of sexual maturation in male river lampreys (Lampetra fluviatilis, L.): Gonadotropin and testosterone Contributor: Larsen, Lis Olesen Published: Elsevier BV, 1987 Published in: General and Comparative Endocrinology, 68 (1987) 2, Seite 197-201 Language: English DOI: 10.1016/0016-6480(87)90029-3 ISSN: 0016-6480 Keywords: Endocrinology ; Animal Science and Zoology Origination: Footnote: