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The prophylactic clinical trial as a epidemiologic resource.
Leviton A, Baglivo J, Kuban KC, Brown ER, Krishnamoorthy KC. Leviton A, et al. Among authors: krishnamoorthy kc. Control Clin Trials. 1987 Sep;8(3):243-54. doi: 10.1016/0197-2456(87)90047-x. Control Clin Trials. 1987. PMID: 3311638 Free article. Review.