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The effect of a web-based training for improving primary health care providers’ knowledge about diabetes mellitus management in rural China: A pre-post intervention study
Fig 3
The long-term training effect.
*0.01≤P<0.05, **P<0.01. Adjusted for age, sex, educational level and major.
doi: https://doi.org/10.1371/journal.pone.0222930.g003