分面浏览：发表日期 |
| 当前检索式 | ((ALL：早期临床研究)) |
| 限定条件 | 无 |
| 2023 4 | 2022 5 | 2021 11 |
| 2020 11 | 2019 30 | 2018 59 |
| 2017 84 | 2016 95 | 2015 109 |
| 2014 109 | 2013 86 | 2012 104 |
| 2011 101 | 2010 61 | 2009 57 |
| 2008 58 | 2007 59 | 2006 47 |
| 2005 56 | 2004 37 | 2003 36 |
| 2002 19 | 2001 21 | 2000 10 |
| 1999 8 | 1998 8 | 1997 6 |
| 1996 3 | 1995 9 | 1994 1 |
| 1993 4 | 1992 3 | 1990 3 |
| 1989 2 | 1988 2 | 1987 3 |
| 1986 3 | 1985 2 | 1984 2 |
| 1980 3 | 1977 2 |
