Illustration of testosterone molecules 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#:
TPG34403775
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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