Five studies and articles about Chronic Lyme Disease (CLD)

Evidence assessments and guideline recommendations in Lyme disease: the clinical management of known tick bites, erythema migrans rashes and persistent disease.

https://www.ncbi.nlm.nih.gov/pubmed/25077519

Proof that chronic lyme disease exists.

https://www.ncbi.nlm.nih.gov/pubmed/20508824

Insufficient evidence to deny antibiotic treatment to chronic Lyme disease patients.

https://www.ncbi.nlm.nih.gov/pubmed/19268485

Clinical trials validate the severity of persistent Lyme disease symptoms.

https://www.ncbi.nlm.nih.gov/pubmed/19013025

AND Most Notably: 

Generalizability in two clinical trials of Lyme disease.

https://www.ncbi.nlm.nih.gov/pubmed/17044928