Preparation and application of monoclonal antibody to avian infectious bronchitis virus李青梅, 张改平, 杨艳艳, 李学伍, 邓瑞广, 闫玉河, 郭军庆, 王爱萍26-28
Characters of growth and fruit-setting in the new and good variety of early apple Tengmu 1 and its main cultivation measures王东升, 孟月娥, 翁鸿燕, 周淑鲜34-35