References for "When depression starts in the neck"
Garber JR, ed. Thyroid Disease: Understanding Hypothyroidism and Hyperthyroidism (Harvard Medical School, 2010).
Garber JR, et al. "Clinical Update: Managing the Challenges of Hypothyroidism," Journal of Family Practice (June 2006): Vol. 55, No. 6, pp. S1–8. www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&dopt=Citation&list_uids=16750061
MedlinePlus. "Levothyroxine," fact sheet updated Sept. 1, 2008.