Keywords
air pollution; bioethics; birth control; birth rate; crowding; financial management; letter; morality; population density; population dynamics; population growth; population research; population size; poverty; quality of life; religious group; uterine tube sterilization; vasectomy; water pollution; Birth Rate; Ethics, Medical; Humans; Internationality; Population Control; Population Density; Population Growth; South Africa; Sterilization, Reproductive