应中华人民共国卫生部邀请,世界卫生组织顾问,美国毒理学专家海伍德教授,自一九八五年九月七日来上海市计划生育科学研究所参观访问进行学术交流。九月十一日下午,上海市畜牧兽医学会,上海市计划生育科学研究所联合举行了座谈会,邀请了上海 At the invitation of the Ministry of Health of the People’s Republic of China, Professor Haywood, an adviser to the World Health Organization and a toxicology expert from the United States, visited Shanghai Institute of Family Planning Science from September 7, 1985 to conduct academic exchanges. On the afternoon of September 11, Shanghai Animal Husbandry and Veterinary Institute and Shanghai Institute of Family Planning Science jointly held a symposium and invited Shanghai