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<http://webisa.webdatacommons.org/68842057>	<http://www.w3.org/ns/prov#value>	"Robert Sever, business development manager for life sciences and laboratories at Praxair, also notes that freeze-drying is a relatively gentle method for obtaining the desired shelf life while maintaining the efficacy of the product, which can be more difficult with other options, such as spray-drying." .
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