1. Cor pulmonale in infancy and early childhood;Royce;Pediatrics,1951
2. Clinical recognition of cor pulmonale in cystic fibrosis;Siassi;J Pediatr,1971
3. Long-term study of one hundred and five patients with cystic fibrosis;Shwachman;Am J Dis Child,1958
4. A simplified cystic fibrosis scoring system (a preliminary report);Cooperman;Can Med Assoc J,1971
5. Dynamic and static lung volumes, blood gas tensions, and diffusing capacity in patients with cystic fibrosis;Featherby;Am Rev Resp Dis,1970