Correspondence: Brucellosis and face masks.
D000818:Animals; D001946:Breech Presentation; D002007:Brucellosis, Bovine / Q000517:prevention & control*; D002417:Cattle; D036861:Delivery, Obstetric / Q000662:veterinary; D005260:Female; D005313:Fetal Death / Q000662:veterinary; D006801:Humans; D008397:Masks; D007744:Obstetric Labor Complications / Q000662:veterinary; D011247:Pregnancy