@misc{indiciae5d693fe697bf, title = {Normal skin test responses in chronic marijuana users.}, author = {M J Silverstein and P J Lessin}, year = {1974}, doi = {10.1126/science.186.4165.740}, url = {https://pubmed.ncbi.nlm.nih.gov/4417650/}, note = {Source identifier: 4417650} }