TY - GEN AU - Cimmino,C V TI - Hamman's sign of mediastinal crunch in mediastinal emphysema SN - 0042-6644 PY - 1966///0418 KW - Auscultation KW - Humans KW - Mediastinal Emphysema KW - diagnosis KW - Pneumothorax N1 - Publication Type: Journal Article ER -