Thin-layer chromatography performed with the extract of the shavings revealed (R)-4-methoxydalbergione and obtusaquinone (the main components of cocobolo wood) and (S)-4'-hydroxy-4 ...

The patient did not know what kind of wood his bracelet was made of. After wearing it on his right wrist for 15 days, he developed intense pruritus, erythema, edema, and blistering fig1 localized ...