N Ringdal

Comparison of addition of salmeterol to inhaled steroids with doubling of the dose of inhaled steroids.

Ann J. Woolcock, Bo Lundbäck, N Ringdal et al. · American Journal of Respiratory and Critical Care Medicine · 1996 · 700 citations

Asthma, Pulmonary Care, Allergy +12

The salmeterol/fluticasone combination is more effective than fluticasone plus oral montelukast in asthma

N Ringdal, A Eliraz, P PRUZINEC et al. · Respiratory Medicine · 2003 · 107 citations · Full text

Asthma, Plus Oral Montelukast, Allergy +6

Salmeterol and Fluticasone Propionate (50/250 μg) Administered via Combination Diskus Inhaler: As Effective as When Given via Separate Diskus Inhalers

Kenneth R. Chapman, N Ringdal, Vibeke Backer et al. · Canadian Respiratory Journal · 1999 · 102 citations · Full text

Onset and duration of action of single doses of formoterol inhaled via turbuhaler®

N Ringdal, Eric Derom, E Wahlin‐Boll et al. · Respiratory Medicine · 1998 · 84 citations · Full text

Asthma, Medicine, Single Doses +6

A comparison of fluticasone propionate 200 μg/day with beclomethasone dipropionate 400 μg/day in adult asthma

Pierre Leblanc, Steven N. Mink, Timo Keistinen et al. · Allergy · 1994 · 78 citations

Asthma, Pulmonary Care, Beclomethasone Dipropionate 400 +16