OIE Manual of Diagnostic Tests and Vaccines for Terrestrial Animals 2018
Chapter 2.3.1. Avian chlamydiosis
(http://www.oie.int/fileadmin/Home/eng/Health_standards/tahm/2.03.01_AVIAN_CHLAMYD.pdf)
OIE Manual of Diagnostic Tests and Vaccines for Terrestrial Animals 2018
Chapter 2.7.6. Enzootic abortion of ewes (ovine chlamydiosis) (infection with Chlamydia abortus)
(http://www.oie.int/fileadmin/Home/eng/Health_standards/tahm/2.07.06_ENZ_ABOR.pdf)