TY  - RPRT
TI  - An experimental study on visual strain and microscopy work.
AU  - K G Nyman
PY  - 1984
DO  - 10.1111/j.1755-3768.1984.tb06788.x
UR  - https://pubmed.ncbi.nlm.nih.gov/6328858/
ID  - 6328858
ER  -