TY  - RPRT
TI  - Operating-spectacles for aural surgery.
AU  - C S HALLPIKE
PY  - 1952
DO  - 10.1016/s0140-6736(52)91092-1
UR  - https://pubmed.ncbi.nlm.nih.gov/14939754/
ID  - 14939754
ER  -