title: Strategies for biomarker research: experimental and methodological design.
abstract: The meaning of the term biomarker is discussed, a model believed to be of some use in thinking about biomarkers of age and of aging is presented, and some suggestions about pertinent research strategy and tactics are provided.
authors.affiliation: Pennsylvania State University, University Park 16802.
authors.forename: G E
authors.initials: GE
authors.lastname: McClearn
mesh_terms: D000375:Aging / Q000235:genetics*; D000818:Animals; D005819:Genetic Markers; D006801:Humans; D008957:Models, Genetic; D012107:Research Design
chemical_list: D005819:Genetic Markers