TY  - RPRT
TI  - A modified Krogh's bicycle ergometer.
AU  - J McCall
AU  - A R Smellie
PY  - 1931
DO  - 10.1113/jphysiol.1931.sp002783
UR  - https://pubmed.ncbi.nlm.nih.gov/16994218/
ID  - 16994218
ER  -