TY - RPRT TI - D-propranolol and DL-propranolol both decrease conversion of L-thyroxine to L-triiodothyronine. AU - P Heyma AU - R G Larkins AU - L Higginbotham AU - K W Ng PY - 1980 DO - 10.1136/bmj.281.6232.24 UR - https://pubmed.ncbi.nlm.nih.gov/7407482/ ID - 7407482 ER -