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. Author manuscript; available in PMC: 2020 Dec 1.
Published in final edited form as: Contemp Clin Trials. 2019 Oct 24;87:105859. doi: 10.1016/j.cct.2019.105859

Fig. 2.

Fig. 2.

Schematic of the study design.

Note: OTP: opioid treatment program; CHC: community health center; MDOT: modified directly-observed therapy; PN: patient navigation.