1. Measurement of depression: The depression inventory;Beck,1967
2. Euthyroid hyperthyroxinemia;Borst;Ann. Int. Med.,1983
3. Evidence for the existence of a pineal-adrenal and pineal-thyroid axis;De Fronzo;Acta Endocr.,1972
4. Serum thyroid hormones, TSH, testosterone and auto-antibody levels in adult inhabitants of Lapland in summer;Dessypris;Arct. Med. Res. Rep.,1978
5. Seasonal variation of PBI in healthy Montrealers;Duruisseau;J. clin. Endocr. Metab.,1965