Muthukrishnan, R.; Malik, G. S.; Gopal, K.; Shehata, M. A. (2021). "Power walking based outpatient cardiac rehabilitation in patients with post-coronary angioplasty: Randomized control trial". Physiotherapy Research International. 26 (4) e1919. doi:10.1002/pri.1919. PMID34231290.
Muthukrishnan, R.; Malik, G. S.; Gopal, K.; Shehata, M. A. (2021). "Power walking based outpatient cardiac rehabilitation in patients with post-coronary angioplasty: Randomized control trial". Physiotherapy Research International. 26 (4) e1919. doi:10.1002/pri.1919. PMID34231290.