Association of clinical laboratory parameters with latent tuberculosis infection among healthcare workers of primary health centers―A cross-sectional observational study - Sivaprakasam T. Selvavinayagam; Ganga Sankar; Yean K. Yong; Sathish Sankar; Ying Zhang; Hong Y. Tan; Pachamuthu Balakrishnan; Amudhan Murugesan; Manivannan Rajeshkumar; Asha Frederick; Masilamani Senthil Kumar; Paulkanraj PriyaRaj; et al. (PLOS Global Public Health)