TY - VIDEO AU - Agency for Healthcare Research and Quality A1 - C4 - This grey literature reference is included in the Academy's Literature Collection in keeping with our mission to gather all sources of information on integration. Grey literature is comprised of materials that are not made available through traditional publishing avenues. Often, the information from unpublished resources can be limited and the risk of bias cannot be determined. CY - Rockville, MD PP - Rockville, MD PY - 2011 RN - http://www.ahrq.gov/research/findings/factsheets/primary/pcwork1/index.html T1 - The Number of Practicing Primary Care Physicians in the United States: Primary Care Workforce Facts and Stats No. 1 TI - The Number of Practicing Primary Care Physicians in the United States: Primary Care Workforce Facts and Stats No. 1 U4 - This grey literature reference is included in the Academy's Literature Collection in keeping with our mission to gather all sources of information on integration. Grey literature is comprised of materials that are not made available through traditional publishing avenues. Often, the information from unpublished resources can be limited and the risk of bias cannot be determined. U5 - http://www.ahrq.gov/research/findings/factsheets/primary/pcwork1/index.html UR - http://www.ahrq.gov/research/findings/factsheets/primary/pcwork1/index.html Y1 - 2011 ER -