TY  - RPRT
TI  - Permanent fluorescent test slides.
AU  - P J Walker
AU  - J M Watts
PY  - 1970
DO  - 10.1111/j.1365-2818.1970.tb02238.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5537852/
ID  - 5537852
ER  -