title: [Usual variation limits: an instrument for the surveillance of infant mortality].
authors.forename: M A
authors.initials: MA
authors.lastname: Gran Alvarez
authors.forename: M
authors.initials: M
authors.lastname: Nieto Lluis
authors.forename: M E
authors.initials: ME
authors.lastname: Alvarez Lauzurique
authors.forename: A
authors.initials: A
authors.lastname: Tejeiro Fernandez
mesh_terms: D000569:Americas; D017691:Caribbean Region; D003462:Cuba; D003710:Demography; D003906:Developing Countries; D005069:Evaluation Studies as Topic; D005843:Geography; D007226:Infant Mortality; D007843:Latin America; D009026:Mortality; D009656:North America; D011153:Population; D011157:Population Dynamics; D012106:Research; D012107:Research Design; D012621:Seasons
keywords: Americas; Caribbean; Cuba; Demographic Factors; Developing Countries; Evaluation; Evaluation Methodology; Geographic Factors; Infant Mortality; Latin America; Measurement; Mortality; North America; Population; Population Dynamics; Research Methodology; Seasonal Variation