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

Year Number of Results
1990 1
1993 1
2018 1
2021 1
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Page 1
New science in plain sight: Citizen scientists lead to the discovery of optical structure in the upper atmosphere.
MacDonald EA, Donovan E, Nishimura Y, Case NA, Gillies DM, Gallardo-Lacourt B, Archer WE, Spanswick EL, Bourassa N, Connors M, Heavner M, Jackel B, Kosar B, Knudsen DJ, Ratzlaff C, Schofield I. MacDonald EA, et al. Among authors: knudsen dj. Sci Adv. 2018 Mar 14;4(3):eaaq0030. doi: 10.1126/sciadv.aaq0030. eCollection 2018 Mar. Sci Adv. 2018. PMID: 29546244 Free PMC article.
Microwave fixation of the lung.
Turner CR, Zuczek S, Knudsen DJ, Wheeldon EB. Turner CR, et al. Among authors: knudsen dj. Stain Technol. 1990;65(2):95-101. doi: 10.3109/10520299009108063. Stain Technol. 1990. PMID: 2360216