several pre- and post-natal factors possibly important in determining which infants will develop necrotizing enterocolitis ( nec ) and which of these infants will die with this disease were prospectively studied in 1976 in 11 infants with radiographic or pathologic evidence of the disease from 12 institutions in the united states and 111 weight-matched , institution-matched control infants .
C0012634
disease
C0030660
pathologic