title: Epidemiologic and correlation studies of CMD factors: are they all valid according to the scientific method requirements?
authors.forename: R
authors.initials: R
authors.lastname: Arnone
mesh_terms: D004812:Epidemiologic Methods; D006801:Humans; D009971:Orthodontics, Corrective / Q000009:adverse effects*; D015203:Reproducibility of Results; D012107:Research Design; D013705:Temporomandibular Joint Disorders / Q000453:epidemiology / Q000209:etiology*