TY  - RPRT
TI  - Vertical diplopia onset with first-time bifocal.
AU  - G B Erickson
AU  - E E Caloroso
PY  - 1992
DO  - 10.1097/00006324-199208000-00008
UR  - https://pubmed.ncbi.nlm.nih.gov/1513561/
ID  - 1513561
ER  -