Impact of steam inhalation, saline gargling, and povidone-iodine gargling on clinical outcome of COVID-19 patients in Bengaluru, Karnataka: A randomized control trial by Vani H Chalageri, Shobha Bhushan, S Saraswathi, T S Ranganath, V Devika Rani, Sumanth Mallikarjuna Majgi, Kariyappa Vijay, M S Hema, Shweta laxman Sanadi, P M Nasreen, K Md Shoyaib, Iswarya Partheeban, B Vanitha, Neha D Souza, Jyoti S Vaddatti

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