Male infertility. Conceptual image of a naked man crouching in front of a graph. The graph may represent falling levels of the male sex hormone testosterone. The amount of testosterone produced by men gradually decreases with age, and this can lead to impotence and a loss of interest in sex.

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Creative#:

TOP10214808

Source:

達志影像

Authorization Type:

RM

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須由TPG 完整授權

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N/A

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No

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