The Framingham Study: An Epidemiological Investigation of Cardiovascular Disease. E-book. Formato PDF U. S. Department Of Public Health   -  Forgotten Books, 2017  - 

Each individual is characterized by his or her value at an exam. If that value is unknown, the most recent, known value at a previous exam is used. An exception to this rule is diabetes mellitus (risk factor Once a person is diagnosed as being diabetic, that person retains that diagnosis on all subsequent. Exams.