TY  - RPRT
TI  - Using observer methods in EMS research.
AU  - L Sechrest
AU  - P A Mabe
AU  - K V Howland
PY  - 1982
DO  - 10.1300/j260v01n04_09
UR  - https://pubmed.ncbi.nlm.nih.gov/10258552/
ID  - 10258552
ER  -