title: Analyses of Large Data Bases and Pragmatic Clinical Trials: Advancing Comparative Effectiveness Research in a Learning Health Care System.
authors.affiliation: Department of Pediatrics, University of Texas Medical School, Houston, Texas.
authors.forename: Jon
authors.initials: J
authors.lastname: Tyson
authors.affiliation: Department of Pediatrics, University of Texas Medical School, Houston, Texas.
authors.forename: Claudia
authors.initials: C
authors.lastname: Pedroza
authors.affiliation: Department of Pediatrics, University of Texas Medical School, Houston, Texas.
authors.forename: Susan H
authors.initials: SH
authors.lastname: Wootton
mesh_terms: D005260:Female; D006801:Humans; D007213:Indomethacin / Q000008:administration & dosage*; D007226:Infant Mortality; D062071:Infant, Extremely Premature; D008297:Male; D009359:Neonatology / Q000379:methods*; D010789:Phototherapy; D013256:Steroids / Q000008:administration & dosage*
chemical_list: D013256:Steroids; D007213:Indomethacin