the national institute for environmental health sciences, an nih institute located in research triangle park, north carolinma, has announced it will hold a conference and workshop on sept. 17 to sept 19, 1995 on the link between environmental toxins and parkinsons disease. those seeking details should the parkinsons action network at 707-544-1994 or dr. annette kirshner, program director at 919 541 0488.