From: Development and evaluation of a search filter to identify prognostic factor studies in Ovid MEDLINE
1 exp Risk/ |
2 risk.tw |
3 exp Cohort Studies/ |
4 cohort.tw |
5 exp Prognosis/ |
6 "prognos*".tw |
7 "predict*".tw |
8 exp Incidence/ |
9 incidence.tw |
10 exp Survival Analysis/ |
11 survival.tw |
12 "causal factor".tw |
13 course.tw |
14 or/1–13 |