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- [22] USE OF NARCOTICS REGISTER FOR FOLLOW-UP OF A COHORT OF ADOLESCENT ADDICTS INTERNATIONAL JOURNAL OF THE ADDICTIONS, 1971, 6 (02): : 225 - &
- [23] USE OF SEVERAL METHODS OF FOLLOW-UP ANALYSIS WITH ONE COHORT AMERICAN JOURNAL OF PUBLIC HEALTH AND THE NATIONS HEALTH, 1961, 51 (08): : 1163 - &
- [29] ACUTE ILLNESS DURING THE FOLLOW-UP PERIOD OF COHORT STUDIES OF FALLS CLINICAL RESEARCH, 1988, 36 (01): : A98 - A98