[Asa Lindberg-Sand gives a course in zonal therapy. To bite your own thumb is equally effective].
D005528:Foot; D006801:Humans; D008405:Massage / Q000379:methods*; D026741:Physical Therapy Modalities / Q000379:methods*
Asa Lindberg-Sand gick kurs i zonterapi. Att bita sig i tummen är lika effektivt.