INTERNATIONAL WORKSHOP ON CATECHOL ESTROGENS February 17-19, 1982 National Institutes of Health, Bethesda, Maryland Topics to be discussed include chemistry, analytic methods, metabolism and physiologic effects of catechol estrogens. The number of participants must be limited because of the size of the facility. If you wish to attend, apply to Ms. Nancy Shapiro, Fogarty International Center, Bldg. 16:, Rm. 205, NIH, Bethesda, MD.ID.20205 'Phone 301-496-2517.