Periods are the most common end-of-sentence punctuation marks. Use a period at the end of a declarative or imperative sentence and at the end of each table footnote and each figure legend.Advances in medical technology have saved many lives. Always listen carefully.Also use a period after a rhetorical question (one not requiring an answer).Where, indeed, is the Osler of today.The period precedes ending quotation marks and reference citations.The child is rated in 7 areas, such as “accepts responsibility” and “interacts appropriately with peers.” We followed the methods of Wilkes et al.The period follows a closing apostrophe: Their data were inconsistent ...
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