1. Adverse reaction to locally applied preservatives in nose drops;Hillerdal;ORL J Otorhinolaryngol Relat Spec,1985
2. Tolérance clinique des collyres antiglaucomateux conservés et non conservés. Résultats d’une enquête inédite en Europe;Levrat;J Fr Ophtalmol,1999
3. Safety, acceptibility, and tolerability of 3 topical microbiocides among heterosexual Kenyan men;Bukusi;J Acquir Immun Defic Syndr,2007
4. Ontario Medical Association’s Committee on Drugs and Pharmacotherapy. Preservatives: bronchospasm. The Drug Report 1987; 24
5. Benzalkonium-chlorid zur vaginaten Kontrazeption—der Scheidenschwamm;Meyer;Geburtshilfe Frauenheilkd,1990