title: Cold chain study: danger of freezing vaccines.
authors: Lederle Canada, Montreal, Quebec.
authors: P
authors: P
authors: Milhomme
mesh_terms: D004349:Drug Packaging; D005615:Freezing; D011137:Polystyrenes; D013696:Temperature; D013821:Thermometers; D013997:Time Factors; D014612:Vaccines
chemical_list: D011137:Polystyrenes; D014612:Vaccines; C024075:styrofoam