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. 2019 Dec;8(5):383–390. doi: 10.21037/tp.2019.03.04

Figure 1.

Figure 1

Distribution by time of interest (months; month 0 corresponds to January 1st, 2004) for sleep (score) using the search criterion “health”, “disease”, “hospital and sanitary services” and “paediatrics”. Fit lines described polynomial grade 2 trend.