Trell, E. (1972). Studies on pulmonary hypertension: Observations in a heart catheterization material. Almqvist & Wiksell.
Chicago Style (17th ed.) CitationTrell, Erik. Studies on Pulmonary Hypertension: Observations in a Heart Catheterization Material. Stockholm: Almqvist & Wiksell, 1972.
MLA (9th ed.) CitationTrell, Erik. Studies on Pulmonary Hypertension: Observations in a Heart Catheterization Material. Almqvist & Wiksell, 1972.
Warning: These citations may not always be 100% accurate.