SmithKline's access to databases at Diversified, United HealthCare and SB Clinical Labs gives it an enormous potential advantage in terms of creating an information-based pharmaceutical care business. It wants to put together all this information, creating previously un-doable disease management programs to reduce customers' costs dramatically, raise its own margins and keep competitors at bay. But the problems in normalizing data between different organizations, cleaning incorrect data, and reconfiguring computer systems will make this a long-term process.