For citations:
Milovanov S.S., Polunina N.V., Popov V.V., Teplova N.V. Calibration of the influence of external factors — country, city (infrastructure), and income on patient recruitment in clinical trials. Kachestvennaya Klinicheskaya Praktika = Good Clinical Practice. 2025;(1):19-27. (In Russ.) https://doi.org/10.37489/2588-0519-2025-1-19-27. EDN: CIVLNY