Gibency Mfulani, Wilfrid Mbombo, Alphonse Mosolo, Jean Jacques Kalongo, Patrick Mukuna, Patricia Kabuni, Christian Nantulu, Didier Kandongo, Yannick Mukendi, If Bikoko, Laurence Bamporiki, Medard Bulabula, Célestin Kaputu and Berthe Barhayiga 2026. Preoperative anxiety and the need for information among patients undergoing anesthesia in KINHASA: Prevalence and Associated Factors . International Journal of Scientific Research and Innovative Studies. 5, 6 (Nov. 2026), 293 to 309 . DOI:https://doi.org/10.63883/ijsrisjournal.v5i6.1068.