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

Year Number of Results
1975 1
2002 1
2003 1
2004 1
2006 1
2021 0
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Page 1
Reasons for after-hours calls.
Hildebrandt DE, Westfall JM. Hildebrandt DE, et al. J Fam Pract. 2002 Jun;51(6):567-9. J Fam Pract. 2002. PMID: 12100782
Are frequent callers to family physicians high utilizers?
Hildebrandt DE, Westfall JM, Nicholas RA, Smith PC, Stern J. Hildebrandt DE, et al. Ann Fam Med. 2004 Nov-Dec;2(6):546-8. doi: 10.1370/afm.127. Ann Fam Med. 2004. PMID: 15576539 Free PMC article.