title: A systems model for the population renewal process.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001723:Birth Rate; D003710:Demography; D005260:Female; D006801:Humans; D008393:Marriage; D008433:Mathematics; D008954:Models, Biological; D009026:Mortality; D010298:Parity; D011153:Population; D011247:Pregnancy; D011336:Probability; D012098:Reproduction; D013597:Systems Analysis; D013997:Time Factors; D014481:United States