Testosterone causes expansion of rib cage during puberty as one of secondary sex characteristics.«Archived copy». Arxivat de l'original el 2015-09-11. [Consulta: 31 desembre 2013].
Testosterone causes expansion of rib cage during puberty as one of secondary sex characteristics.«Archived copy». Arxivat de l'original el 2015-09-11. [Consulta: 31 desembre 2013].