Safety and immunogenicity of a varicella vaccine without human serum albumin (HSA) versus a HSA-containing formulation administered in the second year of life: a phase III, double-... by Faust, SN, Le Roy, M, Pancharoen, C, Weber, MAR, Cathie, K, Behre, U, Bernatoniene, J, Snape, MD, Helm, K, Pech, CE, Henry, O, Baccarini, C, Povey, M, Gillard, P