TY - RPRT TI - Pulmonary function testing in the critically ill neonate, Part II: Methodology. AU - J A Cullen AU - J S Greenspan AU - M J Antunes AU - K Zukowsky AU - A R Spitzer PY - 1994 UR - https://pubmed.ncbi.nlm.nih.gov/8139524/ ID - 8139524 ER -