title: Clinical biostatistics. XLVIII. Efficacy of different research structures in preventing bias in the analysis of causation.
mesh_terms: D004812:Epidemiologic Methods; D005500:Follow-Up Studies; D011379:Prognosis; D011446:Prospective Studies; D012107:Research Design; D012189:Retrospective Studies; D013223:Statistics as Topic; D013997:Time Factors