The critical node(CN)is an important stage during seed aging,which is related to effective genebank conservation.Previous studies have demonstrated that protein
HBsAg and HBV DNA in the sweat of HBsAg carriers were detected.Thepositivity rates were 26.1%(12/46)by RIA and 17.4%(8/45)by dot blot hybridization.No HBsAg and
Ten cases of gastrointestinal adenocarcinomas were histochemically investigated fortheir lectin receptors by avidin—biotin-peroxidase complex(ABC)method.Result