PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 7881860-6 1994 The authors recommend to control the level of yttrium, terbium and lutetium fluorides in the air of workplace through the MACs for the fluorides at 2.5 mg/cu m (maximal single concentration) and 0.5 mg/cu m (average shift concentration), the level of ytterbium fluoride as moderate fibrogenic dust at 6 mg/cu m. Terbium 55-62 myristoylated alanine rich protein kinase C substrate Rattus norvegicus 122-126