What does PDR stand for?

What does PDR mean?

PDR	Professional Dressage Rider Community » Sports
PDR	Physicians' Desk Reference (a proprietary publication) Academic & Science » Libraries
PDR	pancreaticoduodenal resection Medical » British Medicine
PDR	Physicians’ Desk Reference Medical » British Medicine
PDR	proliferative diabetic retinopathy Medical » British Medicine
PDR	Physicians' Desk Reference Academic & Science » Libraries
PDR	People Democracy Republic Governmental » Politics
PDR	Pulse Doppler Radar Academic & Science » Meteorology
PDR	Pulse Doppler Radar Governmental » Military