TY - JOUR AU - DeGraves, FJ; Gao, D; Hehnen, H-R; Schlapp, T; Kaltenboeck, B TI - Quantitative detection of Chlamydia psittaci and C. pecorum by high-sensitivity real-time PCR reveals high prevalenve of vaginal infection in cattle JO - J Clin Microbiol VL - 41 PY - 2003 DO - 10.1128/JCM.41.4.1726-1729.2003 L3 - PubMed-ID: 12682170 SP - 1726 EP - 1729. ER -