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APA Citation
Ferrari, A., Rustichelli, C., Baraldi, C., Vandelli, D., Verri, P., Marchesi, F., & Licata, M. (2019). intra‐patient variability of the hair levels of pain medications in chronic migraine patients – a pilot study. Drug testing and analysis, 11(6), 878–885. http://access.bl.uk/ark:/81055/vdc_100086208158.0x000012