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| Methods | RCT |
| Participants | Oral intubation, 30 to 50 years old, lack of pulmonary infection, lack of sensitivity to herbal combination, no history of immunosuppressive drugs, no history of diabetes, level of consciousness 3 to 8, no wound in the mouth |
| Interventions | Orthodentol versus CHX |
| Outcomes | Pneumonia |
| Notes | Emailed study investigator on 16 March 2020 to confirm study whether published in full |
