Parenthesis - definition of parenthesis by The Free …

For scholarly journals you need only include the year of publication in your citation. Put the year in parenthesis and follow the parenthesis with a colon (:). Example:

and the corresponding year for the reference within the memo text in parentheses

It is possible to suppress the capture of any subexpression or group (enclosed in parenthesis) into a backreference by adding the string '?:' immediately after the opening parenthesis (. The following example illustrates this behaviour:

ORA-00907: missing right parenthesis tips

it will mean doing everything within the parenthesis and then remove the parenthesis.

If the material is important enough, use some other means of including it within your text—even if it means writing another sentence. Note that parentheses tend to de-emphasize text whereas tend to make material seem even more important.