TY  - RPRT
TI  - Persistent tympanic membrane perforation from ventilation tubes.
AU  - G D Robinson
PY  - 1992
DO  - 10.1001/jama.1992.03480070124049
UR  - https://pubmed.ncbi.nlm.nih.gov/1734091/
ID  - 1734091
ER  -