Goyal B, Sabharwal A, Joshi LM. A Markov model to quantify the transitions in the psychological health of young adults in India during the COVID-19 pandemic. Braz. J. Biom. [Internet]. 2026 Apr. 17 [cited 2026 Apr. 18];44(1):e-44919. Available from: http://200.131.250.9/index.php/BBJ/article/view/919