Structural variations in Erythroxylon leaves ...
By: by Charles W. Ballard ...
Published: 1926
Place of publication: Easton, Pa
Language: eng
Number of pages: 59
Subjects: Erythroxylum; Leaves; Anatomy; Coca
Notes: Vita.

"Preprinted from the Journal of the American pharmaceutical association, volume xv."

Thesis (Ph. D.)--Columbia university, 1926.

Bibliography: p. 58-59.