Question: is this a 2) strong advice, 1) weak advice 0) no advice?

We retrospectively reviewed the specificity of antibodies against C. trachomatis, Chlamydia psittaci, and Chlamydophila pneumoniae by microimmunofluorescence (MIF) when compared with DFA, culture, nucleic acid probe, and transcription-mediated amplification. 
user
This is no advice
assistant