Tissue cytokine profiles of cryptogenic fibrosing alveolitis (CFA) and fibrosing alveolitis associated with systemic sclerosis (FASSc) are distinct: a quantitative in situ study of open lung biopsies - Majumdar,S.; Li,D.; Ansari,T.; Pantelidis,P.; Black,C.M.; Gizycki,M.; du Bois,R.M.; Jeffery,P.K. (Eur Respir J, 1999)