title: Problems of contamination, exposure, and pollution in freeze-drying biological products.
mesh_terms: D001688:Biological Products / Q000592:standards*; D004340:Drug Contamination / Q000517:prevention & control*; D004349:Drug Packaging; D005612:Freeze Drying; D006813:Humidity; D013242:Sterilization; D013696:Temperature
chemical_list: D001688:Biological Products