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. 2022 Feb 23;122(5):1153–1162. doi: 10.1007/s00421-022-04915-5

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Fig. 2 — Interest in cryotherapy research since 1950. Data were collected using the “europepmc” R package (Jahn and Salmon 2021) using the search term “cryotherapy” and displayed as a percentage of all publications in the given year. The year-to-year trend is displayed by overlaying a loess smoothed fit curve on the data points