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.
Cross-Multiplication Method. Place the linear factors one above the other as shown below. Multiply the numbers along the arms of the cross, and then add the products. That is, x 10 + x 1 = 10 x+ x = 11 x. This is not the middle term. x 5 + x 2 = 5 x+ 2 x = 7 x. This is the middle term.