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

Search Page

784,706 results
MyNCBI Filters
Results by year

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

Year Number of Results
1946 3
1949 1
1950 2
1951 4
1952 5
1953 4
1954 6
1955 2
1956 6
1957 5
1958 5
1959 11
1960 13
1961 11
1962 20
1963 24
1964 30
1965 65
1966 238
1967 532
1968 623
1969 536
1970 542
1971 614
1972 655
1973 772
1974 905
1975 966
1976 907
1977 1036
1978 1185
1979 1326
1980 1400
1981 1531
1982 1936
1983 2272
1984 2304
1985 2566
1986 3276
1987 3748
1988 4571
1989 5365
1990 5944
1991 6539
1992 7264
1993 8163
1994 8951
1995 10432
1996 11450
1997 12530
1998 13324
1999 14082
2000 13869
2001 14017
2002 15590
2003 17577
2004 19179
2005 23287
2006 25655
2007 27275
2008 30708
2009 32510
2010 36564
2011 42619
2012 47052
2013 53186
2014 58827
2015 62729
2016 66180
2017 69989
2018 69488
2019 22420
Text availability
Article attribute
Article type
Publication date

Search Results

784,706 results
Results by year
Filters applied: . Clear all
Page 1
Retrospective Studies.
Powell JT and Sweeting MJ. Eur J Vasc Endovasc Surg 2015. PMID 26251354
Retrospective studies.
Anthonisen NR. Can Respir J 2009. PMID 19707605 Free PMC article.
Response
Ussavarungsi K, et al. Chest 2017. PMID 28279274
Editor's Column: A Reflection on Studies Using Retrospective Record Review.
Wilkinson K. Am J Speech Lang Pathol 2016. PMID 27115250
In this column, the Editor of the American Journal of Speech-Language Pathology reflects on the value of retrospective record review and considers the design elements that contribute to sound methodology in this format....
In this column, the Editor of the American Journal of Speech-Language Pathology reflects on the value of retrospective record review and considers the design elements that contribute to sound methodology in this format....
Editorial. Concurrent surgery
Barker FG. J Neurosurg 2017. PMID 28106492
In Reply to Hyder
Alam A, et al. Acad Med 2017. PMID 29210735
Comparison of Control Group Generating Methods
Szekér S, et al. Stud Health Technol Inform 2017. PMID 28508812
Retrospective studies suffer from drawbacks such as selection bias. As the selection of the control group has a significant impact on the evaluation of the results, it is very important to find the proper method to generate the most appropriate control group. ...
Retrospective studies suffer from drawbacks such as selection bias. As the selection of the control group has a significant impact on the evaluation of the results, it is very important to find the proper method to generate the most appropriate control group. ...
784,706 results
Jump to page
Feedback