TY  - RPRT
TI  - Diagnostic techniques in conjunctivitis and keratitis.
AU  - L Helper
PY  - 1973
DO  - 10.1016/s0091-0279(73)50054-6
UR  - https://pubmed.ncbi.nlm.nih.gov/4134206/
ID  - 4134206
ER  -