Benzalkonium chloride intranasal medication, conceptual image. A preservative with antiseptic properties used in nasal sprays to prevent microbial contamination. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Bulgar, Wladimir |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |