Brain tumors incidence in pediatric age hasbeen estimated between 1.3 to 5% with a relativeincidence of 1.4 to 11% during the first year oflife; the improvement
We developed a serum-free culture system that promoted the growth of B cell colonies in peripheral blood, bone marrow, lymph nodes and cerebrospinal fluid (CSF)
To observe the process of invasion, retina of rat was used as a model to substitute the inner limiting membrane of retina for the basement membrane. Retina inva
A method is described which permits transmission electron microscope of single cells treated with HpD plus laser microirradiation. The preselected single cell t
The in vivo effects of Phytolacca acinosa poly-saccharides I (PEP-I) on immunologic cytotoxicity of mouse peritoneal macrophages and its production of tumor nec