https://www.selleckchem.com/
1% of UMBO, and none in COPD. In UMBO, breakpoints tended to appear gradually and smoothly between MEF and MEF50, whereas in COPD they often occurred abruptly and rigidly, ahead of MEF . The characteristics of F-V curve, apart from biphasic pattern, the location and configuration of breakpoint in expiratory curve, seemed to be important features of UMBO, which might help to differentiate them from COPD. More data is needed to validate these findings. The characteristics of F-V curve, apart from biphasic pattern, the location and configuration of breakpoint