TY  - RPRT
TI  - Node negative breast cancer.
AU  - M D Leslie
AU  - E J Maher
PY  - 1990
DO  - 10.1136/bmj.300.6726.749-d
UR  - https://pubmed.ncbi.nlm.nih.gov/2322731/
ID  - 2322731
ER  -