Пневмококови полизахариди Wyeth Pharmaceuticals, Division of Wyeth Holdings Corporation 401 North Middletown Road NY 10965, Pearl River, САЩ
Πνευµονιοκοκκικοί πολυσακχαρίτες Wyeth Pharmaceuticals, Division of Wyeth Holdings Corporation 401 North Middletown Road NY 10965, Pearl River, USA