Bibliotheca Medica Canadiana [now:Journal of the Canadian Health Libraries Association, Journal de l'Association des Bibliothèques de la Santé du Canada]
Found on http://www.encyclo.co.uk/local/20895
(1) The Postal Service has divided the United States into 21 regions. Each region has a main mailing center located within it for the distribution of bulk mail. There are two types of Bulk Mail Centers, a gateway BMC and a servicing BMC. Each and every mailer has a gateway BMC. Mail moving from the mailer goes to the gateway which will distribute t... Found on http://www.nmoa.org/Library/index.htm