KEMDIRIM, C. .; UDUAK, A. .; OPURUM, N. .; HART, D.; OGAJI, D. Time-Flow Study for Receipt of Outpatient Services in Public and Private Hospitals: Implications for Lean Approach in Health Facilities in Rivers State, Nigeria : https://doi.org/10.60787/NMJ-62-6-63. Nigerian Medical Journal, [S. l.], v. 62, n. 6, p. 325–333, 2022. DOI: 10.60787/nmj.v62i6.63. Disponível em: https://nigerianmedjournal.org/index.php/nmj/article/view/63. Acesso em: 1 apr. 2026.