Obesity as an additional factor for autonomic imbalance and poor sleep behavior in chronic obstructive pulmonary disease: a case-control study Cristiano Mostarda; Catarina de Andrade Barboza; Ana Lídia Cutrim; Antonio Carlos Silva-Filho; Carlos José Dias; Janaina De Oliveira Brito-Monzani; Bruno Rodrigues;

Risk factors for bronchiectasis in patients with chronic obstructive pulmonary disease: a systematic review and meta-analysis XinXin Zhang; LiJian Pang; XiaoDong Lv; HaoYang Zhang;

Is it possible to reverse frailty in patients with chronic obstructive pulmonary disease? Zhe Wang; Xiaojing Hu; Qingxiang Dai;