. 2012 Jul 27;29(6):633–642. doi: 10.1093/fampra/cms038
© The Authors 2012.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Study visits