U. B. Effiong, U. O. . Ulu, O. C. . Ikechukwu, and A. . Emmanuel, “ASSESSMENT OF ULTRASOUND EQUIPMENT AS A POSSIBLE SOURCE OF NOSOCOMIAL INFECTION”, JRRS, vol. 29, no. 1, pp. 14–18, Jan. 2026, doi: 10.82547/jrrs.vol29no1.100.