RT Journal Article SR Electronic T1 Surfactant replacement therapy. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 1137 OP 1154 DO 10.1136/thx.51.11.1137 VO 51 IS 11 A1 M J Kresch A1 W H Lin A1 R S Thrall YR 1996 UL http://thorax.bmj.com/content/51/11/1137.abstract AB