TY - JOUR T1 - Serial Changes in Hamman's Sign Secondary to the Evolution of a Shallow Left-Sided Spontaneous Pneumothorax JF - Respiratory Care SP - e110 LP - e112 DO - 10.4187/respcare.03562 VL - 60 IS - 5 AU - Katsuhito Seki AU - Hiroyuki Watanabe AU - Ryo Morita AU - Kazuhiro Sato AU - Mariko Asano AU - Takako Iino AU - Kenji Iino AU - Hiroshi Ito Y1 - 2015/05/01 UR - http://rc.rcjournal.com/content/60/5/e110.abstract N2 - ER -