title: Temperature variations in chest-type mechanical freezers.
authors.forename: K J
authors.initials: KJ
authors.lastname: Helsing
authors.forename: S C
authors.initials: SC
authors.lastname: Hoffman
authors.forename: G W
authors.initials: GW
authors.lastname: Comstock
mesh_terms: D000328:Adult; D001800:Blood Specimen Collection / Q000295:instrumentation / Q000379:methods*; D015925:Cryopreservation; D006801:Humans; D013696:Temperature