TY  - RPRT
TI  - The Denver classification and group III.
AU  - S MULDAL
AU  - C H OCKEY
PY  - 1961
DO  - 10.1016/s0140-6736(61)92432-1
UR  - https://pubmed.ncbi.nlm.nih.gov/13773668/
ID  - 13773668
ER  -