Edinoff, Amber N and Fort, Juliana M and Singh, Christina and Wagner, Sarah E and Rodriguez, Jessica R and Johnson, Catherine A and Cornett, Elyse M and Murnane, Kevin S and Kaye, Adam M and Kaye, Alan D (2022) Alternative options for complex, recurrent pain states using cannabinoids, psilocybin, and ketamine: a narrative review of clinical evidence. Neurology International, 14, (2), pp. 423-436. doi: 10.3390/neurolint14020035.