分面浏览：发表日期 |
| 当前检索式 | ((ALL：controlled study)) |
| 限定条件 | 无 |
| 2024 11 | 2023 41 | 2022 152 |
| 2021 213 | 2020 284 | 2019 478 |
| 2018 546 | 2017 537 | 2016 607 |
| 2015 521 | 2014 543 | 2013 452 |
| 2012 365 | 2011 316 | 2010 545 |
| 2009 257 | 2008 240 | 2007 189 |
| 2006 117 | 2005 163 | 2004 90 |
| 2003 82 | 2002 53 | 2001 51 |
| 2000 41 | 1999 22 | 1998 28 |
| 1997 11 | 1996 6 | 1995 2 |
| 1994 2 | 1993 8 | 1992 5 |
| 1991 6 | 1990 1 | 1989 3 |
| 1987 2 | 1985 1 | 1984 1 |
