Concept 2 Punctuation and Operators (cont.)

• Did you remember to enclose the phrases -- "NG tube*" -- and -- "NG administration" -- in double quotation marks?
• Did you remember to truncate -- NG tube* -- with an asterisk?
• Did you join all of the terms describing nasogastric administration using OR?
• Did you type all of the nasogastric administration terms in the second search box, separate from the first-search-box terms describing proton pump inhibitors?

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