Comparison of two nested PCR, cell culture, and antigen detection for the diagnosis of upper respiratory tract infections due to influenza viruses

Magnard C, Valette M, Aymard M, Lina B. Comparison of two nested PCR, cell culture, and antigen detection for the diagnosis of upper respiratory tract infections due to influenza viruses. J Med Virol. 1999; 59(2): 215-20.