Mwayi KachapilaAdesoji O AdemuyiwaBruce M BiccardDhruva N GhoshRachel MooreE et al2023-05-042023-05-04WOS1932-6203https://hdl.handle.net/10539/35347Preliminary model assessing the costeffectiveness of preoperative chlorhexidine mouthwash at reducing postoperative pneumonia among abdominal surgery patients in South Africa