Antimicrobial Coumarins from the Oyster Culinary-Medicinal Mushroom, Pleurotus ostreatus (Agaricomycetes), from Kenya. - Baraza LD; Neser W; Jackson KC; Fredrick JB; Dennis O; Wairimu KR; Keya AO; Heydenreich M (International journal of medicinal mushrooms, 2016)