1. Basophilic aggregation test for lead absorption and lead poisoning : introduction, preparation of slides, preparation of blood smear, fixation of one-half of the smear, staining the smear, basophilic aggregation counting, intrepretation of results Author(s): Ohio. Department of Health. Adult Hygiene Division, author. Publication: Columbus, Ohio : Ohio Department of Health Adult Hygiene Division, 1940 Subject(s): Lead PoisoningBasophils -- drug effects