'The part of a tree from which quinine & aspirin's salicyclic acid are extracted'
Bark
SCI.: The part of a tree from which quinine & aspirins salicyclic acid are extracted
The part of a tree from which quinine & aspirin's salicyclic acid are extracted
The part of a tree from which quinine & aspirin's salicyclic acid are extracted
SCI.
Bark
SCI.