Stability and Trends Over 3 Years of Data Frohlich, Norman; Markesteyn, Trevor; Roos, Noralou P.; More Frohlich, Norman; Markesteyn, Trevor; Roos, Noralou P.; Carriere, Keumhee C.; Black, Charlyn D.; Decoster, Carolyn; Burchill, Charles A.; MacWilliam, Leonard Less Epidemiology. 33(12S):DS100-DS108, 1995. Favorites PDF Get Content & Permissions Free