title: In vivo comparison of levothyroxine preparations.
mesh_terms: D001682:Biological Availability; D005260:Female; D006801:Humans; D007037:Hypothyroidism / Q000188:drug therapy; D008297:Male; D008875:Middle Aged; D013810:Therapeutic Equivalency; D013974:Thyroxine / Q000627:therapeutic use*
chemical_list: D013974:Thyroxine