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. 2021 Mar 23;16(3):e0248722. doi: 10.1371/journal.pone.0248722

Fig 2. Time to develop first episode of pneumonia by vitamin D status at birth and 6 months of age.

Fig 2

(a) Kaplan-Meier survival curve of the first episodes of pneumonia between birth to 12 months of age by vitamin D status at birth. (b) Kaplan-Meier survival curve of the first episodes of pneumonia between 6 to 12 months of age by vitamin D status at six months of age.