8Roberts G, Bellinger D, McCormick MC. A cumulative risk factor model for early identification of academic difficulties in premature and low birth weight infants [ J ]. Matem Child Health J, 2007,11 (2) :161 -72.
9Frankenbusch K, Eifinger F, Kribs A, et al. Severe primary cutaneous aspergillosis refractory to amphotericin B and the successful treatment with systemic voriconazole in two premature infants with extremely low birth weight[J]. J Perinatol,2006,26(8) :511 -4.
