TY  - RPRT
TI  - Letter: Trisomy-20 syndrome in man.
AU  - N M Gregson
PY  - 1976
DO  - 10.1016/s0140-6736(76)90451-7
UR  - https://pubmed.ncbi.nlm.nih.gov/55921/
ID  - 55921
ER  -