Time Course of Hepatic 3-Hydroxy-3-Methylglutaryl Coenzyme A Reductase Activity and Messenger Ribonucleic Acid, Biliary Lipid Secretion, and Hepatic Cholesterol Content in Methimazole-Treated Hypothyroid and Hypophysectomized Rats After Triiodothyronine Administration: Possible Linkage of Cholesterol Synthesis to Biliary Secretion*