Improving hospital operations management to reduce ineffective medical appointments Leandro Barretiri Bruno S. Gonçalves Rui M. Lima José Dinis-Carvalho Publication Journal: Cogent Engineering Year of Publication: 2021 Identifiers ISSN: 2331-1916 Other Numbers: 2-s2.0-85103814340 Alternative titles DOIGoogle ScholarBibTeXRIS Locators