title: [Biometric analysis of infant mortality in the People's Republic of Bulgaria in the period 1947-1981].
authors.forename: B
authors.initials: B
authors.lastname: Rusev
authors.forename: T
authors.initials: T
authors.lastname: Kaloyanov
mesh_terms: D002031:Bulgaria; D003710:Demography; D019049:Developed Countries; D005060:Europe; D005061:Europe, Eastern; D005843:Geography; D007226:Infant Mortality; D009026:Mortality; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012737:Sex Factors
keywords: Bulgaria; Demographic Factors; Developed Countries; Differential Mortality--changes; Eastern Europe; Europe; Geographic Factors; Infant Mortality--changes; Mortality--changes; Population; Population Characteristics; Population Dynamics; Research Report; Sex Factors