@book{book, title  = {{Testosterone Action, Deficiency, Substitution}},

 publisher = {{Cambridge University Press}},

 year = {{2012}},

 month = {{7}},

 author = {{Nieschlag E and Behre HM and Nieschlag S}},

 isbn = {{9781107012905}},

 note = {{Accessed on 2026/09/21}}}