@misc{indiciae57c01913c512, title = {Urinary phencyclidine excretion in chronic abusers.}, author = {G M Simpson and A M Khajawall and E Alatorre and F R Staples}, year = {1982}, doi = {10.3109/15563658208992540}, url = {https://pubmed.ncbi.nlm.nih.gov/7184997/}, note = {Source identifier: 7184997} }