The need for standardization in joint examination techniques for following-up of patients with rheumatoid arthritis

License

This is an open-access article distributed by the terms of the Creative Common Attribution License (CC-BY NC-4). The use, distribution or reproduction in other forms is permitted, provided the original author(a) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with this terms.