This example of an SOP from the Academy of Family Physicians National Research Network (AAFP NRN) provides an example of the level of granularity that may be found in practice-based research networks and similar settings. Click here to download.
Courtesy of Wilson Pace, MD and the American Academy of Family Physicians National Research Network (AAFP NRN)  http://www.aafp.org/online/en/home/clinical/research/natnet.html