PCR analysis of CPN This technical paper is a must for the professional and interested techies. How can it be some say it's there and other researcher say it's not? The answer is here.
-Results, and Clinical Performance of Five PCR Assays for Detecting Chlamydia pneumoniae DNA in Peripheral Blood Mononuclear Cells A must read for the interested person interested in the technical details of finding these cryptic bacteria. You must understand this if the research that is done using other tests which find no relationship to CPn is to be properly understood.
Comparison of Five Serologic Tests for Diagnosis of Acute Infections by Chlamydia pneumoniae Another page with 5 tests being compared this one from 2000. Full citation available.