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D’Angio CT, Murray TE, Li L, Heyne RJ, O’Shea TM, Schelonka RL, et al. Immunogenicity of Haemophilus influenzae type b protein conjugate vaccines in very low birth weight infants. Pediatr Infect Dis J. 2013 Dec;32(12):1400–2.

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D’Angio CT, Murray TE, Li L, Heyne RJ, O’Shea TM, Schelonka RL, Shankaran S, Duara S, Goldberg RN, Stoll BJ, Stevenson DK, Vohr BR, Phelps DL, Carlo WA, Pichichero ME, Das A, Higgins RD, NICHD Neonatal Research Network. Immunogenicity of Haemophilus influenzae type b protein conjugate vaccines in very low birth weight infants. Pediatr Infect Dis J. 2013 Dec;32(12):1400–1402.