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Table representation of search results timeline featuring number of search results per year.
Year
Number of Results
1945
1
1946
5
1947
3
1948
6
1951
9
1952
13
1953
2
1954
8
1955
14
1956
2
1957
6
1958
9
1959
5
1960
11
1961
2
1962
8
1963
1
1964
5
1965
82
1966
126
1967
122
1968
161
1969
154
1970
213
1971
170
1972
196
1973
209
1974
203
1975
207
1976
284
1977
215
1978
279
1979
350
1980
322
1981
345
1982
408
1983
397
1984
450
1985
494
1986
448
1987
519
1988
510
1989
599
1990
665
1991
693
1992
646
1993
684
1994
643
1995
593
1996
618
1997
620
1998
598
1999
651
2000
653
2001
717
2002
732
2003
820
2004
847
2005
923
2006
947
2007
1044
2008
1151
2009
1068
2010
1075
2011
1162
2012
1236
2013
1132
2014
1185
2015
1171
2016
1084
2017
1045
2018
1101
2019
1237
2020
1540
2021
1603
2022
1526
2023
1049
2024
706
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[Work, occupational diseases, and health].
Nowak D, Märker-Hermann E.
Nowak D, et al.
Internist (Berl). 2021 Sep;62(9):891-892. doi: 10.1007/s00108-021-01130-w. Epub 2021 Aug 18.
Internist (Berl). 2021.
PMID: 34406424
Free PMC article.
German.
No abstract available.
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Work-related asthma.
Roio LCD, Mizutani RF, Pinto RC, Terra-Filho M, Santos UP.
Roio LCD, et al.
J Bras Pneumol. 2021 Aug 11;47(4):e20200577. doi: 10.36416/1806-3756/e20200577. eCollection 2021.
J Bras Pneumol. 2021.
PMID: 34406224
Free PMC article.
Review.
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Format:
AMA
APA
MLA
NLM
Adaptive Clinical Trial
Address
Autobiography
Bibliography
Biography
Case Reports
Classical Article
Clinical Conference
Clinical Study
Clinical Trial Protocol
Clinical Trial, Phase I
Clinical Trial, Phase II
Clinical Trial, Phase III
Clinical Trial, Phase IV
Clinical Trial, Veterinary
Collected Work
Comment
Comparative Study
Congress
Consensus Development Conference
Consensus Development Conference, NIH
Controlled Clinical Trial
Corrected and Republished Article
Dataset
Dictionary
Directory
Duplicate Publication
Editorial
Electronic Supplementary Materials
English Abstract
Equivalence Trial
Evaluation Study
Expression of Concern
Festschrift
Government Publication
Guideline
Historical Article
Interactive Tutorial
Interview
Introductory Journal Article
Lecture
Legal Case
Legislation
Letter
Multicenter Study
News
Newspaper Article
Observational Study
Observational Study, Veterinary
Overall
Patient Education Handout
Periodical Index
Personal Narrative
Portrait
Practice Guideline
Pragmatic Clinical Trial
Preprint
Published Erratum
Randomized Controlled Trial, Veterinary
Research Support, American Recovery and Reinvestment Act
Research Support, N.I.H., Extramural
Research Support, N.I.H., Intramural
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Research Support, U.S. Gov't, P.H.S.
Research Support, U.S. Gov't
Retracted Publication
Retraction of Publication
Scientific Integrity Review
Technical Report
Twin Study
Validation Study
Video-Audio Media
Webcast
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