Olajubu, A. O.; Irinoye, O. O.; Olowokere, A. E. Competencies and Barriers to the Use of Nursing Informatics Among Nurses in Primary, Secondary and Tertiary Healthcare Facilities in Nigeria. J Health Inform Afr 2014, 2 (1). https://doi.org/10.12856/JHIA-2014-v2-i1-85.