TY  - RPRT
TI  - Quantitative evidence for the two-gradient hypothesis in the primary induction.
AU  - S TOIVONEN
AU  - L SAXEN
AU  - T VAINIO
PY  - 1961
DO  - 10.1007/bf02171440
UR  - https://pubmed.ncbi.nlm.nih.gov/13777212/
ID  - 13777212
ER  -