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

Year Number of Results
1978 1
1979 3
1980 7
1981 10
1982 4
1983 14
1984 4
1985 2
1987 2
1988 2
1989 2
1990 2
1991 3
1992 1
1993 1
1994 2
1995 4
1996 4
1997 6
1998 5
1999 3
2001 3
2004 2
2009 1
2022 0
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88 results
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Page 1
Salmonella in alfalfa sprouts.
Pönkä A, Andersson Y, Siitonen A, de Jong B, Jahkola M, Haikala O, Kuhmonen A, Pakkala P. Pönkä A, et al. Lancet. 1995 Feb 18;345(8947):462-3. doi: 10.1016/s0140-6736(95)90451-4. Lancet. 1995. PMID: 7853988 No abstract available.
Infection with Campylobacter fetus.
Pönkä A, Tilvis R, Helle J, Kosunen TU. Pönkä A, et al. Scand J Infect Dis. 1984;16(1):127-8. doi: 10.3109/00365548409068419. Scand J Infect Dis. 1984. PMID: 6695155
Mortality and air pollution in Helsinki.
Pönkä A, Savela M, Virtanen M. Pönkä A, et al. Arch Environ Health. 1998 Jul-Aug;53(4):281-6. doi: 10.1080/00039899809605709. Arch Environ Health. 1998. PMID: 9709992
Campylobacter enteritis in 188 hospitalized patients.
Pitkänen T, Pönkä A, Pettersson T, Kosunen TU. Pitkänen T, et al. Among authors: ponka a. Arch Intern Med. 1983 Feb;143(2):215-9. doi: 10.1001/archinte.1983.00350020033007. Arch Intern Med. 1983. PMID: 6824388
Arthritis associated with Campylobacter jejuni enteritis.
Kosunen TU, Pönkä A, Kauranen O, Martio J, Pitkänen T, Hortling L, Aittoniemi S, Penttilä O, Koskimies S. Kosunen TU, et al. Among authors: ponka a. Scand J Rheumatol. 1981;10(2):77-80. doi: 10.3109/03009748109095276. Scand J Rheumatol. 1981. PMID: 7244582
Asthma and ambient air pollution in Helsinki.
Pönkä A, Virtanen M. Pönkä A, et al. J Epidemiol Community Health. 1996 Apr;50 Suppl 1(Suppl 1):s59-62. doi: 10.1136/jech.50.suppl_1.s59. J Epidemiol Community Health. 1996. PMID: 8758226 Free PMC article.
Short-term effects of air pollution on hospital admissions of respiratory diseases in Europe: a quantitative summary of APHEA study results. Air Pollution and Health: a European Approach.
Spix C, Anderson HR, Schwartz J, Vigotti MA, LeTertre A, Vonk JM, Touloumi G, Balducci F, Piekarski T, Bacharova L, Tobias A, Pönkä A, Katsouyanni K. Spix C, et al. Among authors: ponka a. Arch Environ Health. 1998 Jan-Feb;53(1):54-64. doi: 10.1080/00039899809605689. Arch Environ Health. 1998. PMID: 9570309
Short-term effects of ambient oxidant exposure on mortality: a combined analysis within the APHEA project. Air Pollution and Health: a European Approach.
Touloumi G, Katsouyanni K, Zmirou D, Schwartz J, Spix C, de Leon AP, Tobias A, Quennel P, Rabczenko D, Bacharova L, Bisanti L, Vonk JM, Ponka A. Touloumi G, et al. Among authors: ponka a. Am J Epidemiol. 1997 Jul 15;146(2):177-85. doi: 10.1093/oxfordjournals.aje.a009249. Am J Epidemiol. 1997. PMID: 9230780
88 results