APA (7th ed.) Citation

Whittaker, C. Phosphodiesterase type 5 inhibitors and erectile dysfunction. AOSIS.

Chicago Style (17th ed.) Citation

Whittaker, Catherine. Phosphodiesterase Type 5 Inhibitors and Erectile Dysfunction. AOSIS.

MLA (9th ed.) Citation

Whittaker, Catherine. Phosphodiesterase Type 5 Inhibitors and Erectile Dysfunction. AOSIS.

Warning: These citations may not always be 100% accurate.