Complex sentence: Sometimes the phrase "thyroid hormone resistance" is used to identify cases where patients with autoimmune thyroid disorders respond poorly to normal doses of replacement thyroid hormone, this is thought to occur where patients have developed antibodies to thyroid hormones.
Split into simpler sentences: Sometimes the phrase "thyroid hormone resistance" is used to identify cases where patients with autoimmune thyroid disorders respond poorly to normal doses of replacement thyroid hormone. This is thought to occur where patients have developed antibodies to thyroid hormones.