These entities buy medicines from drug companies from charitable purposes, mostly on cash basis, with very few on credit terms. These entities, during periods of calamities and for apostolic works, employ the voluntary services of medical teams and allied professionals in conducting “Medical Missions” or “Free Clinics” consisting of free medical and dental services, free surgery, and free medicines (initial or starter doses). Purchases from these entities in the aforementioned includes a range of analgesicscough-colds, antibiotics, anti-diarrheals, anti-spasmodics, and the like