TY  - RPRT
TI  - Letter: Tryptophan and depression.
AU  - B Rao
AU  - A D Broadhurst
PY  - 1976
DO  - 10.1136/bmj.1.6007.460-b
UR  - https://pubmed.ncbi.nlm.nih.gov/766901/
ID  - 766901
ER  -