Skip to main page content
Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

My NCBI Filters
Results by year

Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1976 2
1977 61
1978 175
1979 203
1980 334
1981 350
1982 487
1983 469
1984 514
1985 589
1986 639
1987 542
1988 508
1989 532
1990 550
1991 441
1992 477
1993 430
1994 389
1995 375
1996 325
1997 331
1998 310
1999 247
2000 318
2001 255
2002 278
2003 287
2004 220
2005 243
2006 287
2007 281
2008 260
2009 266
2010 238
2011 199
2012 200
2013 238
2014 199
2015 185
2016 160
2017 152
2018 149
2019 116
2020 5
Text availability
Article attribute
Article type
Publication date

Search Results

13,333 results
Results by year
Filters applied: . Clear all
Page 1
[Opioid peptides].
Neuzil E, Cassaigne A. Neuzil E, et al. Expos Annu Biochim Med. 1982;35:161-214. Expos Annu Biochim Med. 1982. PMID: 6277687 Review. French. No abstract available.
13,333 results
Jump to page
Feedback