If you are interested in this topic, you might find the following studies valuable too:

Preisendanz, Karin. “The Initiation of the Medical Student in Early Classical Āyurveda: Caraka’s Treatment in Context.” In Pramāṇakīrtiḥ. Papers Dedicated to Ernst Steinkellner on the Occasion of His 70th Birthday. Part 2 (Wien: Arbeitskreis für Tibetische Und Buddhistische Studien Universität Wien, 2007), 2:629–68. URL.
Wujastyk, Dagmar. Well-Mannered Medicine: Medical Ethics and Etiquette in Classical Ayurveda (New York: Oxford University Press, 2012), all of chapter 2 (with the Sanskrit in Appendix B)

I don't know Sukumar and Shashirekha’s work, but the passage appears in all the standard translations of the Carakasaṃhitā, e.g., Priya Vrat Sharma. Caraka-Saṃhitā: Agniveśa’s Treatise Refined and Annoted by Caraka and Redacted by Dṛḍhabala (Text with English Translation). The Jaikrishnadas Ayurveda Series. 1 ed. (Varanasi, Delhi: Chaukhambha Orientalia, 1981/1994).

Best,

Dominik Wujastyk