![](https://wthumb.tpgimages.com/mid2_com_img/1339/31071/TPG34403774.jpg)
Illustration of a testosterone molecule in the blood. Testosterone is the main human male sex hormone (androgen) and is responsible for the development of the male reproductive organs and secondary sexual characteristics.
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Details
Creative#:
TPG34403774
Source:
達志影像
Authorization Type:
RF
Release Information:
須由TPG 完整授權
Model Release:
Not Available
Property Release:
N/A
Right to Privacy:
No
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