Methods. Various laboratory tests were implemented in our lab, as screening or confirmatory tests, some in studies some as a routine diagnostic test, such are: Agglutinations tests: Rose Bengal test (RBT), Slide Agglutinations test, Standard tube test (SAT), Wright test, Antihuman globulin test (Coombs); 2-Mercaptoethanol test (2 ME); Complement fixation test (CFT); Indirect enzyme immunoassay ...