Lindmark, D G Activation of Polynuclear Aromatic Hydrocarbons to Mutagens by the Marine Ciliate Parauronema acutum. [electronic resource] - Applied and environmental microbiology May 1981 - 1238-42 p. digital Publication Type: Journal Article ISSN: 0099-2240 Standard No.: 10.1128/aem.41.5.1238-1242.1981 doi