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

Year Number of Results
1979 1
1982 2
1983 1
1984 1
1986 1
1988 1
1989 2
1990 4
1992 2
1993 1
1994 1
1995 2
1996 1
1998 2
1999 2
2001 2
2011 1
2019 1
2020 1
2023 0
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28 results
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Page 1
Exposure to hydrogen sulphide and respiratory function.
Jäppinen P, Vilkka V, Marttila O, Haahtela T. Jäppinen P, et al. Among authors: vilkka v. Br J Ind Med. 1990 Dec;47(12):824-8. doi: 10.1136/oem.47.12.824. Br J Ind Med. 1990. PMID: 2271389 Free PMC article.
[The respiratory tract and air pollution].
Vilkka V, Haahtela T. Vilkka V, et al. Duodecim. 1988;104(6):488-93. Duodecim. 1988. PMID: 3053144 Review. Finnish. No abstract available.
Once-daily theophylline in the treatment of nocturnal asthma.
Vilkka V, Brander P, Hakulinen A, Laitinen J, Sahlström K, Aalto E, Silvasti M, Karttunen P. Vilkka V, et al. Eur J Clin Pharmacol. 1990;39(3):241-3. doi: 10.1007/BF00315103. Eur J Clin Pharmacol. 1990. PMID: 2257859 Clinical Trial.
28 results