Thomalla, K. (1991). Das Tracheobronchiale Kollapssyndrom.
Chicago Style (17th ed.) CitationThomalla, Klaus. Das Tracheobronchiale Kollapssyndrom. 1991.
MLA (9th ed.) CitationThomalla, Klaus. Das Tracheobronchiale Kollapssyndrom. 1991.
Warning: These citations may not always be 100% accurate.