title: There are no shortcuts to finding out what works--population laboratories are essential tools.
authors.forename: S
authors.initials: S
authors.lastname: Ebrahim
mesh_terms: D002318:Cardiovascular Diseases / Q000401:mortality / Q000517:prevention & control*; D003153:Community Health Services / Q000458:organization & administration; D003906:Developing Countries; D006801:Humans; D011159:Population Surveillance / Q000379:methods*