What does P.R. stand for?

What does P.R. mean?

PR	propranolol Medical » British Medicine
PR	prospective reimbursement Medical » British Medicine
PR	protein restriction Medical » British Medicine
PR	protein retention Medical » British Medicine
PR	pulmonary regurgitation Medical » British Medicine
PR	pulmonary resistance Medical » British Medicine
PR	Puerto Rico International
PR	Provincial Road Governmental » Transportation
PR	pegylated interferon and/with weight-based ribavirin Medical » Prescription
PR	partial response Medical
PR	Pinch runner Community » Sports
PR	passive resistance Medical » Physiology
PR	per rectum [Lat.] by rectal route Medical » Prescription
PR	prothrombin ratio Medical » Laboratory
PR	Prachtig (Netherlands coin grade equivalent to Extremely Fine) Miscellaneous » Coins