@misc{indiciae085e40cf4c87, title = {Problems with over-the-counter 5-hydroxy-L-tryptophan.}, author = {B L Williamson and K Klarskov and A J Tomlinson and G J Gleich and S Naylor}, year = {1998}, doi = {10.1038/1951}, url = {https://pubmed.ncbi.nlm.nih.gov/9734369/}, note = {Source identifier: 9734369} }