TY  - BOOK
AU  - Meyer,A.
TI  - Determination of adenine, caffeine, theophylline and theobromine by HPLC with amperometric detection
UR  - https://drive.google.com/file/d/1OVl2NgkecewSrCK8Uui7GZ48T62d7bKy/view?usp=drivesdk
ER  -