TY  - RPRT
TI  - Does 1 + 1 = 2? A continuing debate.
AU  - D J Cole
AU  - M W Kalichman
AU  - H M Shapiro
AU  - E I Eger
PY  - 1990
DO  - 10.1213/00000539-199001000-00038
UR  - https://pubmed.ncbi.nlm.nih.gov/2297097/
ID  - 2297097
ER  -