This article examines the clinical, pathologic, and radiologic features of pulmonary immaturity, the impact of evolving therapeutic strategies, and the changing face of chronic lung disease of prematurity.
intr.v. cross-mulÂ·tiÂ·plied, cross-mulÂ·tiÂ·plyÂ·ing, cross-mulÂ·tiÂ·plies. To multiply the numerator of one of a pair of fractions by the denominator of the other.
Multiplication (often denoted by the cross symbol Ã, by a point Â·, by juxtaposition, or, on computers, by an asterisk â) is one of the four elementary, mathematical operations of arithmetic; with the others being addition, subtraction and division.