A Coombs test (also known as Coombs' test, antiglobulin test or AGT) is either of two clinical blood tests used in immunohematology and immunology.he indirect Coombs test (also known as the indirect antiglobulin test or IAT) is used to detect in-vitro antibody-antigen reactions. It is used to detect very low concentrations of antibodies present in a patient's plasma/serum prior to a blood transfusion.
East China becomes wetter as a prelude to the late spring/summer monsoon season. Around half the month sees daily drizzle. The average high and low temperatures are 14Â°C (57Â°F) and 6Â°C (43Â°F). It is quite windy.
Average annual temperature is about 9 Â°C. In the middle and east of the country temperatures tend to be somewhat more extreme than in other parts of the country. For example, summer mean daily maximum is about 19 Â°C and winter mean daily minimum is about 2.5 Â°C in these areas.