MD F. Ratjen

DNA concentrations in BAL fluid of cystic fibrosis patients with early lung disease: Influence of treatment with dornase alpha

E. Rietschel, F. Ratjen, S. Breitenstein, 2005, Pediatric pulmonology.

Nodular pulmonary vasculitis in a twelve‐year‐old boy

O. Dirsch, E. Kreuzfelder, F. Ratjen, 2004, Pediatric pulmonology.