,www.konkur.in
Trease and Evans
Pharmacognosy
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For Elsevier
Commissioning Editor: Pauline Graham
Development Editor: Janice Urquhart, Fiona Conn
Project Manager: Gail Wright
Design Direction: George Ajayi
, www.konkur.in
Trease and Evans
Pharmacognosy
William Charles Evans BPharm BSc PhD DSc FIBiol FLS FRPharmS
Revised with the assistance of
Daphne Evans ba ma
SIXTEENTH EDITION
Edinburgh London New York Philadelphia St Louis Sydney Toronto 2009