TY  - BOOK
AU  - Wren, R. C
AU  - Potter and Clarke.
AU  - Wren, R. W
TI  - Potter�s new cyclopaedia of botanical drugs and preparations: Re-edited and enl. by R.W. Wren, foreword by T.E. Wallis.
U1  - 615.32 
PY  - 1946///
CY  - London
PB  - Pitman for Potter & Clarke
KW  - Materia medica, Vegetable - Encyclopedias
KW  - Drugs - Encyclopedias
ER  -