Collaborations in population-based health research: the 17th annual HMO Research Network Conference, March 23-25, 2011, Boston, Massachusetts, USA.
Collaborations in population-based health research: the 17th annual HMO Research Network Conference, March 23-25, 2011, Boston, Massachusetts, USA. Clin Med Res. 2011 Nov; 9(3-4):137-40.