TY  - RPRT
TI  - Aminoacids: essential and non-essential?
AU  - A A Jackson
PY  - 1983
DO  - 10.1016/s0140-6736(83)92656-9
UR  - https://pubmed.ncbi.nlm.nih.gov/6133071/
ID  - 6133071
ER  -