Assertion: nasolacrimal duct | /r/HasProperty | nldobstruction
Facets:
Source sentences:
text: Medline (1966 to January 28, 2013) and Embase (1980 to January 28, 2013) were searched for comparative studies (RCT/cohorts) of END-DCR to EXT-DCR for acquired nasolacrimal duct (NLD) obstruction.