Clinical characteristics of chylothorax: results from the International Collaborative Effusion database. - Porcel JM; Bielsa S; Civit C; Aujayeb A; Janssen J; Bodtger U; Fjaellegaard K; Petersen JK; Welch H; Symonds J; Mitchell MA; Grabczak EM; et al. (ERJ open research, 2023)