(2003). Impermeable bed covers don't help allergic rhinitis. BMJ Group.
Chicago Style CitationImpermeable Bed Covers Don't Help Allergic Rhinitis. BMJ Group, 2003.
Cita MLAImpermeable Bed Covers Don't Help Allergic Rhinitis. BMJ Group, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.