title: More study needed on morning erections and erectile dysfunction.
authors: Juha
authors: J
authors: Koskimäki
authors: Rahman
authors: R
authors: Shiri
authors: Teuvo
authors: T
authors: Tammela
authors: Jukka
authors: J
authors: Häkkinen
authors: Matti
authors: M
authors: Hakama
authors: Anssi
authors: A
authors: Auvinen
mesh_terms: D007172:Erectile Dysfunction / Q000503:physiopathology*; D006801:Humans; D008297:Male; D010410:Penile Erection