TY  - RPRT
TI  - Prognostic indicators in node-negative breast cancer.
AU  - A Norman
AU  - W McBride
PY  - 1990
DO  - 10.1097/00000421-199006000-00018
UR  - https://pubmed.ncbi.nlm.nih.gov/2346131/
ID  - 2346131
ER  -