A Multiple Dose Comparison of Tiotropium Inhalation Capsules and Salmeterol Inhalation Aerosol.

UAB Medical Center, Birmingham

Boehringer Ingelheim Investigational Site, Jasper

Boehringer Ingelheim Investigational Site, Phoenix

Southern Arizona VA Health Care System, Tucson

Boehringer Ingelheim Investigational Site, Fullerton

VA Greater Los angeles Health Care Systems, Sepulveda

Olive View UCLA Medical Center, Sylmar

Boehringer Ingelheim Investigational Site, Boulder

Colorado Pulmonary Associates, Denver

Boehringer Ingelheim Investigational Site, Wheat Ridge

Boehringer Ingelheim Investigational Site, Melbourne

Boehringer Ingelheim Investigational Site, Pembroke Pines

University Medical Associates, LLP, Augusta

Boehringer Ingelheim Investigational Site, Coeur d'Alene

LSU MC-Sheveport, Shreveport

University of Oklahoma Health Sciences Center, Oklahoma City

The Oregon Clinic, Portland

Temple University School of Medicine, Philadelphia

Attention: Thomas D. Kaelin, Jr., D.O., Charleston

Boehringer Ingelheim Investigational Site, Houston

HEMO Oy Health Center, Lahti

Boehringer Ingelheim Investigational Site, Mikkeli

Boehringer Ingelheim Investigational Site, Oulu

"Gen. Hosp. Evangelismos,", Athens

"Gen. Hosp. of Chest Diseases Sotiria", Athens

"Gen. Hosp. of Chest DiseasesSotiria", Athens

University Hospital of Ioannina, Ioannina

"General Hospital Sismanoglio, 3rd Pneumonology Dpt", Maroussi, Athens

"General Hospital Papanicolaou,", Thessaloniki

Azienda Ospedaliera S. Martino, Genova

A.O. Pisana, Pisa

Hospital de Santa Maria, Lisbon

Hospital Pulido Valente, Lisbon

Hospital de São João, Porto

Centro Hospitalar de Vila Nova de Gaia, Vila Nova de Gaia

Lindesbergs lasarett, Lindesberg

Boehringer Ingelheim Investigational Site, Linköping

Vårdcentralen Brinken, Motala

Boehringer Ingelheim Investigational Site, Örebro

Boehringer Ingelheim Investigational Site, Stockholm

Fysiologlaboratoriet, Stockholm

Boehringer Ingelheim Investigational Site, Uppsala

Gazi Universitesi Tip Fakultesi, Ankara

Istanbul Universitesi Cerrahpasa Tip Fakültesi, Istanbul

Yedikule Gögüs Hastaliklari Hastanesi, Istanbul

Ege Universitesi Tip Fakultesi, Izmir

Frenchay Healthcare NHS Trust, Bristol

Boehringer Ingelheim Investigational Site, Glasgow

West Middlesex University Hospital, Isleworth

Medicines Evaluation Unit, Manchester