TY  - RPRT
TI  - Analyzing data with clumping at zero. An example demonstration.
AU  - B H Chang
AU  - S Pocock
PY  - 2000
DO  - 10.1016/s0895-4356(00)00223-7
UR  - https://pubmed.ncbi.nlm.nih.gov/11027937/
ID  - 11027937
ER  -