title: An exercise in futility. (Efforts to control population) (Letter to the editor).
mesh_terms: D000569:Americas; D003710:Demography; D019049:Developed Countries; D004467:Economics; D009656:North America; D011153:Population; D011155:Population Control; D011157:Population Dynamics; D011158:Population Growth; D011640:Public Policy; D012959:Socioeconomic Factors; D014481:United States
keywords: Americas; Demographic Factors; Developed Countries; Economic Factors; North America; Northern America; Policy; Population; Population Control; Population Dynamics; Population Growth; Population Policy; Social Policy; Socioeconomic Factors; United States