TI - PRognosis in valvular heart disease. PT - JOUR DP - 1899 TA - Journal of the American Medical Association pages = {48-49}, VI - XXXIII IP - 1 AID - 10.1001/jama.1899.02450530054017 [doi] 4100 - http://dx.doi.org/10.1001/jama.1899.02450530054017 SO - Journal of the American Medical Association July 1, 1899 XXXIII(1):48