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Results by year

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

Year Number of Results
1955 3
1956 16
1957 17
1958 7
1959 9
1960 75
1961 55
1962 32
1963 2
1965 1
1966 34
1967 71
1968 103
1969 78
1970 119
1971 110
1972 84
1973 80
1974 100
1975 96
1976 85
1977 79
1978 64
1979 74
1980 55
1981 45
1982 69
1983 77
1984 49
1985 60
1986 77
1987 59
1988 56
1989 84
1990 73
1991 87
1992 88
1993 100
1994 114
1995 93
1996 121
1997 105
1998 115
1999 146
2000 189
2001 350
2002 307
2003 354
2004 335
2005 372
2006 364
2007 446
2008 437
2009 401
2010 432
2011 487
2012 525
2013 480
2014 465
2015 470
2016 395
2017 311
2018 355
2019 333
2020 286
2021 296
2022 392
2023 276
2024 167
2025 1

Search Results

11,313 results

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Page 1
The physician and air pollution.
Sturgis KB. Sturgis KB. Pa Med. 1971 Aug;74(8):39-40. Pa Med. 1971. PMID: 5092942 No abstract available.
Elements of air pollution control.
HARMESON DK, KAPLOVSKY AJ. HARMESON DK, et al. Del State Med J. 1956 Sep;28(9):231-3. Del State Med J. 1956. PMID: 13365306 No abstract available.
Control of air pollution in the USSR.
Izmerov NF. Izmerov NF. Public Health Pap. 1973;54(0):1-157. Public Health Pap. 1973. PMID: 4802086 No abstract available.
11,313 results
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