Viral and atypical pathogens as causes of type 1 acute exacerbations of chronic bronchitis.
Roessingh
Peter H.
PH
University Hospital, Department of Medicine, Division of Infectious Diseases and AIDS, Utrecht, The Netherlands.
van Loon
Anton M.
AM
Lammers
Jan W.J.
JW
Hoepelman
Andy I. M.
AI