1 | Accidental falls/(12522) |
2 | (Falls or faller$1 or fallen).tw. (27753) |
3 | 1 or 2 (33935) |
4 | Exp Aged/ (2056836) |
5 | (Senior$1 or elderly or older).tw. (335684) |
6 | 4 or 5 (2182495) |
7 | Randomized controlled trial.pt. (319542) |
8 | Controlled clinical trial.pt. (83511) |
9 | Randomized.ab. (224781) |
10 | Placebo.ab. (128471) |
11 | Randomly.ab. (162506) |
12 | Trial.ab. (231806) |
13 | Groups.ab. (1073150) |
14 | 3 and 6 (13056) |
15 | 7 or 8 or 9 or 10 or 11 or 12 or 13 (1570937) |
16 | Humans.sh. (12063808) |
17 | 15 and 16 (1190697) |
18 | 14 and 17 (2966) |
19 | Limit 18 to ed=20080511-20120223 (968) |