Prinja Shankar, Rajsekhar Kavitha, Gauba Vijay Kumar
Department of Community Medicine & School of Public Health, Postgraduate Institute of Medical Education & Research, Chandigarh 160 012, India.
Department of Health Research, Ministry of Health & Family Welfare, Government of India, New Delhi 110 001, India.
Indian J Med Res. 2020 Nov;152(5):444-447. doi: 10.4103/ijmr.IJMR_115_19.