title: Serum arylesterase levels of activity in twins and their parents.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging; D002648:Child; D004950:Esterases / Q000037:antagonists & inhibitors / Q000097:blood*; D005260:Female; D005826:Genetics, Medical; D006801:Humans; D008297:Male; D008875:Middle Aged; D010648:Phenylacetates; D011247:Pregnancy; D013223:Statistics as Topic; D014427:Twins
chemical_list: D010648:Phenylacetates; D004950:Esterases