Ellipses. 1  An ellipsis is a set of three periods ( . . . ) indicating an omission. Each period should have a single space on either side, except when adjacent to a quotation mark, in which case there should be no space. 2  In informal writing, an ellipsis can be used to represent a trailing off of thought.
PCA SkinÂ® products that focus on a condition and are used with one another ensure improvements in your skin's look, texture and feel. PCAâs broad spectrum of SPF protection products are recommended by the Skin Cancer Foundation.
Pain Management: Patient-Controlled Analgesia (PCA) Pump. Pain Management: Patient-Controlled Analgesia (PCA) Pump. Pain medicine works better when the pain first starts, before it gets too bad. A patient-controlled analgesia (PCA) pump lets you give yourself intravenous (IV) pain medicine when you need it. This gives you more control of your pain relief.