TY - RPRT TI - Fixed ventilation during tidal volume breathing bronchial challenge may improve repeatability. AU - F Madsen AU - L Frølund AU - N H Nielsen AU - U G Svendsen AU - B Weeke PY - 1987 DO - 10.1111/j.1398-9995.1987.tb00378.x UR - https://pubmed.ncbi.nlm.nih.gov/3688376/ ID - 3688376 ER -