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Definition of PAS

PAS: 1. Physician-assisted suicide. 2. Personal alert system (an alarm system for an elderly or infirm person). 3. Periodic acid-Schiff (a stain used to detect carbohydrates in tissue).

Source: MedTerms™ Medical Dictionary
http://www.medterms.com/script/main/art.asp?articlekey=32862
Last Editorial Review: 6/14/2012

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