Kumar, R., S. R. Zilate, S. Varma, and S. Kumari. “A Pharmacological Study on the Effect of Calendula Officinalis Extract on Wound Healing in Animals”. International Journal of Basic & Clinical Pharmacology, vol. 8, no. 6, May 2019, pp. 1209-14, doi:10.18203/2319-2003.ijbcp20192103.