TY  - RPRT
TI  - Methotrexate sensitivity in Down's syndrome: a hypothesis.
AU  - P M Ueland
AU  - H Refsum
AU  - B Christensen
PY  - 1990
DO  - 10.1007/bf00686245
UR  - https://pubmed.ncbi.nlm.nih.gov/2137726/
ID  - 2137726
ER  -