The bone marrow aspiration and/or biopsy procedure is performed by a doctor or other trained specialist. Both types of samples may be collected from the hip bone (iliac crest). Marrow aspirations are sometimes collected from the sternum (breastbone) of adults.
Examples in Narrative Perspective. Narrative perspective, also referred to as the narrative voice or point of view, is the perspective from which the writer tells the story. The two most common narrative voices are first-person and third-person viewpoints.
Writing perspective, also known as point of view, concerns the method by which an author chooses to convey his text. There are three writing perspectives: first person, second person and third person. Each affects the tone and message of the text and how the reader perceives the writing.