Natural Mycoplasma bovis infection associated with epithelioid granulomatous caseonecrotic bronchiolitis at a progressed disease stage in calves -н Suwanruengsri, Mathurot, Uemura, Ryoko, Uda Zahli, Izzati, Kanda, Takuya, Fuke, Naoyuki, Yasuda, Masahiro, Hirai, Takuya, Yamaguchi, Ryoji