TY  - RPRT
TI  - A modified polymer foam earplug for the hearing aid evaluation.
AU  - I J Gerling
AU  - R J Roeser
DO  - 10.1097/00003446-198103000-00005
UR  - https://pubmed.ncbi.nlm.nih.gov/7227678/
ID  - 7227678
ER  -