What does APAM stand for?

Alternating Pressure Air Mattress - for prevention of pressure sores

Antipersonnel Antimaterial - Weaponry (MCD)

Anti-Personnel/Anti-Materiel - Military technology (DDF)

Anti-Personnel Attack Munition - Military

Apartment - Telegraphy (PCTE)

Archives of Pediatrics and Adolescent Medicine - Medicine (EDAA)

Array Processor Access Method - Computer science (BUR)

Association for the Preservation of the Auction Market - Defunct (EA)

Australian Performing Arts Market (FLAA)