Anatomical Therapeutic Chemical • H03BC • Perchlorates

H Systemic hormonal preparations, excluding sex hormones and insulins

H01 Pituitary and hypothalamic hormones and analogues

H02 Corticosteroids for systemic use

H03 Thyroid therapy

H03A Thyroid preparations

H03B Antithyroid preparations

H03BA Thiouracils

H03BB Sulfur-containing imidazole derivatives

H03BC Perchlorates

H03BX Other antithyroid preparations

H03C Iodine therapy

H04 Pancreatic hormones

H05 Calcium homeostasis