Am Fam Physician. 2000 Apr 15;61(8):2344.

The article “Newer Pharmacologic Alternatives for Erectile Dysfunction” (September 15, 1999, page 1159) contained an error in the first sentence of the third paragraph. Penile erection is mainly mediated by the parasympathetic nervous system; it is ejaculation that is controlled by the sympathetic nervous system.


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