TY  - RPRT
TI  - Change is the only constant variable.
AU  - Alden N Haffner
PY  - 2004
DO  - 10.1016/s1529-1839(04)70184-0
UR  - https://pubmed.ncbi.nlm.nih.gov/15481224/
ID  - 15481224
ER  -