Gray, J. R. What is Chronic Constipation? Definition and Diagnosis. Wiley.
Chicago Style (17th ed.) CitationGray, James R. What Is Chronic Constipation? Definition and Diagnosis. Wiley.
MLA (9th ed.) CitationGray, James R. What Is Chronic Constipation? Definition and Diagnosis. Wiley.
Warning: These citations may not always be 100% accurate.