Pérou (2) Health (2) Salud (2) Drugs of abuse (1) Labor (1) Evolution (Biology) (1) Databases (1) Women scientists (1) Uncertainty (1) Sex (Biology) (1) Research (1) Public health (1) Production (Economic theory) (1) Population (1) Periodicals (1) Men (1) Medicine, Experimental (1) Mathematical models (1) Materials (1) Infection (1) Epidemiology (1) Diagnosis (1) Design (1) Decision making (1) Bibliometrics (1) Attachment and garnishment (1) AIDS (Disease) (1) Revista (1) Estudios (1) Incertidumbre (1)