TY - RPRT TI - Changes in serum catecholamine levels during acute bronchospasm. AU - C L Emerman AU - R K Cydulka PY - 1993 DO - 10.1016/s0196-0644(05)80410-x UR - https://pubmed.ncbi.nlm.nih.gov/8239104/ ID - 8239104 ER -