Figure 1
From: Risk of contamination of nasal sprays in otolaryngologic practice

A) A spray bottle with its cap off (group 1). B) A spray bottle with its punched cap on (group 2).
From: Risk of contamination of nasal sprays in otolaryngologic practice

A) A spray bottle with its cap off (group 1). B) A spray bottle with its punched cap on (group 2).