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 ...

We describe a case of a 44-year-old man with a history of allergy to pollen, asthma, and two episodes of anaphylactic shock after being bitten by hornets. He traveled to Costa Rica, where he ...