Jon Weingart, MD, discusses whether having a brain tumor means a patient needs surgery. Dr Weingart is a neurosurgeon and professor of Neurological Surgery and Oncology at Johns Hopkins Medicine. Surgery is one type of treatment for brain tumors.
Noun. 1. doctrine-a belief (or system of beliefs) accepted as authoritative by some group or school. ism, philosophical system, philosophy, school of thought.
It is common, in this phrase, to use at, as to call at the inn; or on, as to call on a friend. This application seems to be equivalent to speak, D. Kallen. Let us speak at this place. To call on, to make a short visit to; also, to solicit payment, or make a demand of a debt. In a theological sense, to pray to or worship; as, to call on the name of the Lord. Gen. 4. To repeat solemnly. To call out, to utter a loud voice; to bawl; a popular use of the phrase.