Early feeding, feeding tolerance, and lactase activity in preterm infants

Shulman, Robert J. ; Schanler, Richard J. ; Lau, Chantal ; Heitkemper, Margaret ; Ou, Ching-Nan ; Smith, E.O’Brian

The Journal of pediatrics, 1998-11, Vol.133 (5), p.645-649 [Periódico revisado por pares]

New York, NY: Mosby, Inc

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