Colombie (1) Programs (1) Public health surveillance (1) Truthfulness and falsehood (1) Triangulation (1) Success (1) Stocks (1) Sampling (1) Reason (1) Production (Economic theory) (1) Pregnant women (1) Physicians (1) Participant observation (1) Newspapers (1) Indigenous peoples (1) Medical sciences (1) Language and languages (1) Labor (Obstetrics) (1) Interviews (1) Health (1) Employees--Training of (1) Diseases (1) Diaries (1) Dialogue (1) Collisions at sea (1) Attention (1) Adulthood (1) Universe (1) Trabajadores--Formación profesional (1) Vigilancia epidemiológica (1)