Frey, H [Combined substitution treatment with thyroxine and triiodothyronine?]. [electronic resource] - Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke Jan 1971 - 222 p. digital Publication Type: Journal Article ISSN: 0029-2001 Subjects--Topical Terms: Drug SynergismHypothyroidism--drug therapyTabletsThyroxine--administration & dosageTriiodothyronine--administration & dosage