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

Year Number of Results
1994 4
1995 1
1997 1
2000 1
2003 2
2022 0
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Page 1
Completing questionnaires by proxy.
Kolnaar BG, van den Hoogen HJ, van Weel C. Kolnaar BG, et al. Br J Gen Pract. 1994 Apr;44(381):184. Br J Gen Pract. 1994. PMID: 8185994 Free PMC article. No abstract available.