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Thirty-six ruminant isolates of Chlamydia psittaci, previously classified as invasive or non-invasive in a mouse model of virulence, were compared by analysing AluI restriction patterns of the major(More)
Restriction fragment length polymorphism of the major outer membrane protein gene (ompl) was studied in 73 epidemiologically unrelated Chlamydia trachomatis serovar D (n = 64) and Da (n = 9) strains(More)