D. Procter

Performance as a function of drive, reward, and habit-strength.

J. P. Seward, D. Procter, 1960, The American journal of psychology.

Cost-Sharing and Prior Authorization Effects on Medicaid Services in California: Part II: The Providers' Reactions

J. Lubitz, M. Roemer, C. E. Hopkins, 1975, Medical care.

Cost-Sharing and Prior Authorization Effects on Medicaid Services in California: Part I. The Beneficiaries' Reactions

J. Lubitz, M. Roemer, C. E. Hopkins, 1975, Medical care.