TY - RPRT TI - Pneumothorax detection: a problem in experimental design. AU - J J Carr AU - J C Reed AU - R H Choplin AU - L D Case PY - 1993 DO - 10.1148/radiology.186.1.8416570 UR - https://pubmed.ncbi.nlm.nih.gov/8416570/ ID - 8416570 ER -