IgG
IgG, the key factor of Humoral immunity response, is the main immunoglobulin in blood, lymph, cerebrospinal fluid and peritoneal fluid. IgG accounts for approximately 75% of total serum immunoglobulins and is the only immunoglobulin that can penetrate the human placenta. It is primarily ...
危险品化学品经营许可证（带存储）