title: Effects of repeated freeze-thaw cycles on concentrations of cholesterol, micronutrients, and hormones in human plasma and serum.
authors.affiliation: Department of Epidemiology, Johns Hopkins School of Public Health, Hagerstown, MD 21742, USA. gcomstock@mindspring.com
authors.forename: George W
authors.initials: GW
authors.lastname: Comstock
authors.forename: Alyce E
authors.initials: AE
authors.lastname: Burke
authors.forename: Edward P
authors.initials: EP
authors.lastname: Norkus
authors.forename: Gary B
authors.initials: GB
authors.lastname: Gordon
authors.forename: Sandra C
authors.initials: SC
authors.lastname: Hoffman
authors.forename: Kathy J
authors.initials: KJ
authors.lastname: Helzlsouer