Reason
|
Reference
|
---|
Commentary from a trade magazine
|
[26]-[29]
|
Not about chiropractors' attitudes toward prescribing rights in chiropractic
|
[11],[30]-[36]
|
Commentary from a peer-reviewed publication
|
[3]-[10]
|
Letter to the Editor
|
[12]-[14]
|
Not published in a peer-reviewed journal
|
[2],[37],[38]
|