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cascara sagra´da dried bark of the shrub Rhamnus purshiana, used as a cathartic.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
the dried bark of Rhamnus purshiana (family Rhamnaceae); used as a laxative.
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