title: Letter to the editor: Phosphorus as predictive factor for erectile dysfunction in middle aged men: A cross sectional study in Korea; Methodological issues to avoid prediction fallacy.
authors.affiliation: Department of Epidemiology, Faculty of Health, Ilam University of Medical Sciences, Ilam, Iran.
authors.forename: Reza
authors.initials: R
authors.lastname: Pakzad
authors.affiliation: Managerial Epidemiology Research Center, Department of Public Health, School of Nursing and Midwifery, Maragheh University of Medical Sciences, Maragheh, Iran.; Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
authors.forename: Saeid
authors.initials: S
authors.lastname: Safiri
mesh_terms: D003430:Cross-Sectional Studies; D007172:Erectile Dysfunction; D006801:Humans; D008297:Male; D008875:Middle Aged; D010758:Phosphorus; D016226:Phosphorus, Dietary; D056910:Republic of Korea
chemical_list: D016226:Phosphorus, Dietary; D010758:Phosphorus