All of the following statements are true regarding cervicofacial actinomycosis, EXCEPT_____________?
A. 110-20% of actinomycosis cases occur in cervicofacial region

B. There is usually history of trauma such as tooth extraction or a blow to the jaw

C. Cultures on blood agar often produce a typical molar tooth morphology

D. The discharging pus contains visible sulphur granules

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