[Moon phases and ulcerative peptic disease].
D055580:Astronomical Phenomena; D001256:Astronomy; D002909:Chronobiology Phenomena; D004381:Duodenal Ulcer / Q000453:epidemiology / Q000503:physiopathology*; D006801:Humans; D013276:Stomach Ulcer / Q000453:epidemiology / Q000503:physiopathology*
Fasi lunari e malattia peptica ulcerosa.