What does pois stand for?

Poison (AD)

Parkland On-Line Information Systems - Computer science (DMAA)

Poison (AAMN)

Poisoning - FBI standardized term

Polish Osteogenesis Imperfecta Society (SAUS)

Post Office Insurance Society - British (DI)

Procurement Operations and Information System (SAUS)

Procurement Operations Information System (MCD)

Prototype On-Line Instrument System - Computer science (NRCH)

Purchase Order Information System (MCD)