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Variation of soil radon concentrations in southern Ontario.
Chen J, Ly J, Bergman L, Wierdsma J, Klassen RA. Chen J, et al. Among authors: klassen ra. Radiat Prot Dosimetry. 2008;131(3):385-9. doi: 10.1093/rpd/ncn192. Epub 2008 Jul 17. Radiat Prot Dosimetry. 2008. PMID: 18640998
Primary Care Tracks in Medical Schools.
Williams MP, Agana DF, Rooks BJ, Harrell G, Klassen RA, Hatch R, Malouin RA, Carek PJ. Williams MP, et al. Among authors: klassen ra. PRiMER. 2019 Feb 8;3:3. doi: 10.22454/PRiMER.2019.799272. eCollection 2019. PRiMER. 2019. PMID: 32537574 Free PMC article.
Gorham-Stout disease (phantom bone) of the shoulder girdle.
Hofbauer LC, Klassen RA, Khosla S. Hofbauer LC, et al. Among authors: klassen ra. Rheumatology (Oxford). 1999 Sep;38(9):904-5. doi: 10.1093/rheumatology/38.9.904. Rheumatology (Oxford). 1999. PMID: 10515654 No abstract available.
Giant-cell tumours of the spine.
Sanjay BK, Sim FH, Unni KK, McLeod RA, Klassen RA. Sanjay BK, et al. Among authors: klassen ra. J Bone Joint Surg Br. 1993 Jan;75(1):148-54. doi: 10.1302/0301-620X.75B1.8421014. J Bone Joint Surg Br. 1993. PMID: 8421014
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