The present study compares the characteristics of colorectal lymphoid aggregates in patients with carcinoma, diverticular disease, Crohn's disease, or ulcerative colitis of the large bowel. A total of ...
Journal of Biogeography, Vol. 29, No. 5/6, Special Issue: Insular Biotas (May - Jun., 2002), pp. 623-632 (10 pages) Aim Some species reach extraordinary densities on islands. Island assemblages have ...
Over 500 million tons of HMA are placed in the United States each year so it's important that the material be properly sampled and tested during construction to ensure satisfactory performance. When ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果