A Pilot, Dose-Finding, Pharmacodynamic and Pharmacokinetic Study of Orally Administered Botanical Kratom. - Reissig CJ; Chen L; Nallani SC; Hawkins EG; Galati S; Bonson K; Kanumuri SRR; McCurdy CR; Sharma A; Setnik B; Milovan D; Kelsh D; et al. (Journal of clinical psychopharmacology, 2026)