TY  - RPRT
TI  - Letter to the editor.
AU  - K G Ishak
PY  - 1977
DO  - 10.1002/1097-0142(197711)40:5<2400::aid-cncr2820400558>3.0.co;2-a
UR  - https://pubmed.ncbi.nlm.nih.gov/922682/
ID  - 922682
ER  -