Filtering by: Contributor Estes, E. Harvey (Edward Harvey), 1925- Remove constraint Contributor: Estes, E. Harvey (Edward Harvey), 1925- Location Duke Medical Center Archives Remove constraint Location: Duke Medical Center Archives Subject Estes, E. Harvey (Edward Harvey), 1925- Remove constraint Subject: Estes, E. Harvey (Edward Harvey), 1925- Subject Mauney, F. Maxton Remove constraint Subject: Mauney, F. Maxton Subject Nurse Practitioners -- standards Remove constraint Subject: Nurse Practitioners -- standards Subject Professional Role Remove constraint Subject: Professional Role Subject Russ, Donald J. Remove constraint Subject: Russ, Donald J.