分面浏览：发表日期 |
| 当前检索式 | ((ALL：chemical agent)) |
| 限定条件 | 无 |
| 2024 3 | 2023 3 | 2022 22 |
| 2021 31 | 2020 51 | 2019 101 |
| 2018 155 | 2017 116 | 2016 174 |
| 2015 118 | 2014 140 | 2013 126 |
| 2012 105 | 2011 80 | 2010 202 |
| 2009 102 | 2008 77 | 2007 55 |
| 2006 43 | 2005 26 | 2004 34 |
| 2003 36 | 2002 23 | 2001 26 |
| 2000 14 | 1999 11 | 1998 8 |
| 1997 9 | 1996 8 | 1995 3 |
| 1994 4 | 1993 1 | 1992 3 |
| 1981 1 |
