A phase 3 randomized study to evaluate safety and immunogenicity of 20-valent pneumococcal conjugate vaccine in healthy Japanese infants gan Yasunori Ishihara, Mitsuru Fukazawa, Shinya Enomoto, Richard de Solom, Masako Yamaji, Mary Kline, Masakazu Aizawa, Yahong Peng, Osamu Kogawara, Peter C. Giardina, Noor Tamimi, William C. Gruber, Wendy Watson

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