GHB/GBLcrystal methmephedronesynthetic cathinonessynthetic cannabinoidsHIVRome STI/HIV reference centersexually transmitted infectionsSTIs
…2.3% vs 8.2%, p<0.001), mephedrone (4.0% vs 9.4%, p=0.005), and GHB/GBL (3.4% vs 16.9%, p<0.001). Chemsex (defined as use of at least o…