„Pfizer” változatai közötti eltérés

** [https://web.archive.org/web/20041101043733/http://www.pfizer.com/do/index.html Full product list]

** [https://web.archive.org/web/20040710145318/http://www.pfizer.com/are/mn_investors.cfm Investor relations]

** [https://web.archive.org/web/20040710150709/http://www.pfizer.com/are/mn_investors_corporate.cfm Corporate governance]

** [https://web.archive.org/web/20041010115643/http://www.pfizer.com/subsites/philanthropy/index.html Philanthropy] info.

* [https://web.archive.org/web/20040921081307/http://abcnews.go.com/wire/Insurance/reuters20040707_143.html ABC News] "Pfizer Offers Discounts for the Uninsured"

* [https://web.archive.org/web/20170606022749/http://www.pfizer.hu/Press%20releases/pfizer-lezártalez%C3%A1rta-baxter-piacon-lévől%C3%A9v%C5%91-oltóanyagainakolt%C3%B3anyagainak-akvizíciójátakviz%C3%ADci%C3%B3j%C3%A1t Pfizer felvásárolta Ausztriában a Baxter oltóanyaggyárát]