PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 22133559-7 2012 A recent study showed that propranolol, a beta adrenergic receptor (beta-AR) antagonist, was effective as treatment for infantile hemangioma. Propranolol 27-38 adrenoceptor beta 2 Homo sapiens 68-75