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Efficacy of a pre-thickened infant formula: a multicenter, double-blind, randomized, placebo-controlled parallel group trial in 104 infants with symptomatic gastroesophageal reflux
J.A. Vanderhoof, J.R. Moran, C.L. Harris, K.L. Merkel, S.R. Orenstein
Clinical Pediatrics, 2003; 42: 483-495