SpringerLink (Online service) & Dal Negro, R. (1999). Pneumological aspects of gastroesophageal reflux. Springer.
Chicago Style (17th ed.) CitationSpringerLink (Online service) and Roberto Dal Negro. Pneumological Aspects of Gastroesophageal Reflux. Milano ; New York: Springer, 1999.
MLA (9th ed.) CitationSpringerLink (Online service) and Roberto Dal Negro. Pneumological Aspects of Gastroesophageal Reflux. Springer, 1999.
Warning: These citations may not always be 100% accurate.