Comunicado de Pfizer28/04/2009 https://granjascarroll.com/wp-content/uploads/2014/02/comunicadopfizer-thumb.jpg 682 480 GCM https://granjascarroll.com/wp-content/uploads/2020/04/logos-header-altosano-y-gcm.jpg GCM2009-04-28 11:06:002009-04-28 11:06:00Comunicado de Pfizer