title: A machine for shell-freezing biological materials in small glass ampoules.
mesh_terms: D001688:Biological Products; D005615:Freezing; D005898:Glass; D006794:Household Articles; D006801:Humans; D007753:Laboratories / Q000295:instrumentation*; D012867:Skin
chemical_list: D001688:Biological Products
keywords: BIOLOGIC PRODUCTS; LABORATORIES/apparatus