Let's make it two.
Vittachi
A
A
D001723:Birth Rate; D003710:Demography; D005069:Evaluation Studies as Topic; D005298:Fertility; D009026:Mortality; D011153:Population; D011157:Population Dynamics; D011584:Psychology
Birth Rate; Demographic Factors; Demography; Evaluation; Fertility; Fertility Measurements; Mortality; Population; Population Dynamics; Psychological Factors