TY  - RPRT
TI  - Tear flow analysis through the upper and lower systems.
AU  - J Daubert
AU  - N Nik
AU  - P A Chandeyssoun
AU  - L el-Choufi
PY  - 1990
DO  - 10.1097/00002341-199009000-00008
UR  - https://pubmed.ncbi.nlm.nih.gov/2268613/
ID  - 2268613
ER  -