title: An increase in the number of deaths in the United States in the first week of the month.
authors.forename: R
authors.initials: R
authors.lastname: Rosenheck
authors.forename: L K
authors.initials: LK
authors.lastname: Frisman
mesh_terms: D006801:Humans; D009026:Mortality; D019966:Substance-Related Disorders / Q000401:mortality; D013997:Time Factors; D014481:United States / Q000453:epidemiology