RT Journal Article SR Electronic T1 Acute dacryocystitis JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 477 OP 477 DO 10.3949/ccjm.87a.19121 VO 87 IS 8 A1 Satvinder Singh Bakshi YR 2020 UL http://www.ccjm.org/content/87/8/477.abstract AB