Bullet wounds -- See Gunshot wounds Here are entered works on gunshot wounds in general and of particular organs or regions of the body. For the latter, a first subject heading is made for the wounds of the part of the body, e.g. 1. Heart--Wounds and injuries. 2. Gunshot wounds.
Bulletin board systems (Computers) -- See Computer bulletin boards Here are entered works on services that allow a computer user to post messages to, and read messages from, a group of people who have a common interest, via a dedicated telephone line established for the purpose. Works on services, commonly called newsgroups and LISTSERV lists, that allow a computer user to post messages to, and read messages from, a group of people who have a common interest, usually by means of the Internet, a commercial online service, or electronic mail are entered under Electronic discussion groups. Works on services that allow a person, using a computer, to engage in an actual "conversation" with other people in real time are entered under Online chat groups.