Screening for antibacterial and cytotoxic activities of Sri Lankan marine sponges through microfractionation: Isolation of bromopyrrole alkaloids from Stylissa massa - Kosgahakumbura, Lakmini; Gamage, Jayani; Robertson, Luke; Muhammad, Taj; Hellman, Björn; Göransson, Ulf; Jayasinghe, Prabath; Hettiarachchi, Chamari; Cárdenas, Paco; Gunasekera, Sunithi (PLOS ONE, 2024)