Appendix.
https://www.streetinsider.com/Corporate+News/Osmotica+Pharma+%28OSMT%29+Announces+Positive+Topline+Results+of+Phase+III+Clinical+Trials+of+RVL-1201+for+Acquired+Blepharoptosis/15459668.html
https://www.contactlensjournal.com/article/S1367-0484(19)30219-X/fulltext
https://hkaokce.weebly.com/
https://www.contactlensjournal.com/article/S1367-0484(19)30219-X/fulltext
https://hkaokce.weebly.com/