Havlícková, M Possible use of matrix protein obtained by cloning in E. coli in the serological diagnosis of type A influenza. [electronic resource] - Acta virologica May 1992 - 332 p. digital Publication Type: Letter ISSN: 0001-723X Subjects--Topical Terms: AdolescentChildChild, PreschoolEnzyme-Linked Immunosorbent AssayHumansInfluenza A virus--immunologyInfluenza, Human--diagnosisRecombinant Proteins--immunologySerologic TestsViral Matrix Proteins--immunology