TY  - RPRT
TI  - Preset counts or preset time?
AU  - C P Wells
AU  - F M Hall
AU  - P J Mountford
AU  - A J Coakley
PY  - 1981
DO  - 10.1259/0007-1285-54-647-1009
UR  - https://pubmed.ncbi.nlm.nih.gov/7306760/
ID  - 7306760
ER  -