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Fig. 3 | Trials

Fig. 3

From: Efficacy of vitamin D3 supplementation in reducing incidence of pulmonary tuberculosis and mortality among HIV-infected Tanzanian adults initiating antiretroviral therapy: study protocol for a randomized controlled trial

Fig. 3

Scatterplot of validation study results comparing 25(OH)D concentration assessed by IDS EIA (y-axis) versus HPLC-MS/MS (x-axis). 25(OH)D 25-hydroxyvitamin D, EIA enzyme immunoassay, HPLC-MS/MS high-performance liquid chromatography tandem mass spectrometry, IDS Immunodiagnostics

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