TY  - RPRT
TI  - Is NGF an enzyme?
AU  - P Calissano
AU  - R Levi-Montalcini
PY  - 1979
DO  - 10.1038/280359a0
UR  - https://pubmed.ncbi.nlm.nih.gov/460411/
ID  - 460411
ER  -