Fort, Douglas J PROGRESS TOWARD IDENTIFYING CAUSES OF MALDEVELOPMENT INDUCED IN XENOPUS BY POND WATER AND SEDIMENT EXTRACTS FROM MINNESOTA, USA. [electronic resource] - Environmental toxicology and chemistry Oct 1999 - 2316-2324 p. digital Publication Type: Journal Article ISSN: 1552-8618 Standard No.: 10.1002/etc.1999.18.10.2316 doi