Background: Lip and oral cavity cancers are the second most common cancers in India and Sri Lanka. Hence. there is a need to enhance partnership among countries and institutions to develop the capacity to ameliorate the huge burden of oral cancer in the SEAR region. Methods: An observership model was field tested with the inter-country collaboration from India and Sri Lanka in Decembe... https://pipingrockers.shop/product-category/echinacea-goldenseal/