TY  - RPRT
TI  - Tympanomaxillary shunt. Experiences and development.
AU  - B Drettner
AU  - L Ekvall
PY  - 1973
DO  - 10.3109/00016487309139712
UR  - https://pubmed.ncbi.nlm.nih.gov/4702616/
ID  - 4702616
ER  -