Institution: | Department of Quality & Safety Assurance Nestlé Research Centre, Nestec Ltd. Vers-chez-les-Blanc CH-1000 Lausanne 26, Switzerland;Quality Management Department Nestlé Product Technology Centre Orbe, Nestec Ltd. CH-1350 Orbe, Switzerland;LABOR SPIEZ, Virology, CH-3700 Spiez, Switzerland |