TY  - JOUR 
T1  - The 1,3,7,9-tetramethyluric acid content of cupu (Theobroma grandiflorum Schum.)
JO  - Acta Amazonica
A1  - Baumann, T. W.
A1  - Wanner, H.
SN  - 0044-5967
UL  - 10.1590/1809-43921980102425
VL  - 10 
Y1  - 1980
PB  - Brasil 
ER  -