By Sjaastad Ottar   Bakketeig Leiv   in The Journal of Headache and Pain

ISSN:1129-2369|5|3|181-187

Springer Publishing Company ‎(2004)‎

Access to resources Favorite 19.319317

By Westin Steinar   Bakketeig Leiv S.   in Scandinavian Journal of Primary Health Care

ISSN:0281-3432|21|2|65-67

Informa Healthcare‎(2003)‎

Access to resources Favorite 15.695916

By Aabom Birgit   Kragstrup Jakob   Vondeling Hindrik   Bakketeig Leiv S   Støvring Henrik   in British Journal of General Practice

ISSN:1478-5242|55|518|684-689

Royal College of General Practitioners‎(2005)‎

Access to resources Favorite 9.659658