A layman's guide to grommets.

Autor: East DM
Jazyk: angličtina
Zdroj: British medical journal (Clinical research ed.) [Br Med J (Clin Res Ed)] 1984 Dec 08; Vol. 289 (6458), pp. 1596-8.
DOI: 10.1136/bmj.289.6458.1596
Databáze: MEDLINE