Purvis, K., Muirhead, G. J., & Harness, J. A. (2002). The effects of sildenafil on human sperm function in healthy volunteers. Blackwell Science Inc.
Citação norma ChicagoPurvis, Ken, Gary J. Muirhead, and Jane A. Harness. The Effects of Sildenafil On Human Sperm Function in Healthy Volunteers. Blackwell Science Inc, 2002.
Deismireacht MLAPurvis, Ken, Gary J. Muirhead, and Jane A. Harness. The Effects of Sildenafil On Human Sperm Function in Healthy Volunteers. Blackwell Science Inc, 2002.
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