@base . a ; . a ; "2163-940X" ; . a . a , , ; , , ; "Open journal of respiratory diseases." ; ; ; ; "2163-940X" ; ; ; "2163-940X" ; ; "2163-940X" ; "Open journal of respiratory diseases (Print)" , "Open journal of respiratory diseases." ; ; "http://www.scirp.org/journal/ojrd/" . . a ; "2163-940X" ; . a , ; "Open journal of respiratory diseases (Print)" . a ; ; "20210206231200.0"^^ ; ; . "California" .