Francis, Andrew (). „The Wages of Sin: How the Discovery of Penicillin Reshaped Modern Sexuality”. Archives of Sexual Behavior. 42 (1): 5–13. doi:10.1007/s10508-012-0018-4. PMID23054260.
Francis, Andrew (). „The Wages of Sin: How the Discovery of Penicillin Reshaped Modern Sexuality”. Archives of Sexual Behavior. 42 (1): 5–13. doi:10.1007/s10508-012-0018-4. PMID23054260.