| Predicting medication noncompliance after hospital discharge among patients with schizophrenia M Olfson, D Mechanic, S Hansell, CA Boyer, J Walkup, PJ Weiden Psychiatric Services 51 (2), 216-222, 2000 | 653 | 2000 |
| Diagnosis and treatment of depression in the elderly medicare population: predictors, disparities, and trends S Crystal, U Sambamoorthi, JT Walkup, A Akıncıgil Journal of the American Geriatrics Society 51 (12), 1718-1728, 2003 | 329 | 2003 |
| Adherence to antidepressant treatment among privately insured patients diagnosed with depression A Akincigil, JR Bowblis, C Levin, JT Walkup, S Jan, S Crystal Medical care 45 (4), 363-369, 2007 | 214 | 2007 |
| Assessing clinical predictions of early rehospitalization in schizophrenia M Olfson, D Mechanic, CA Boyer, S Hansell, J Walkup, PJ Weiden The Journal of nervous and mental disease 187 (12), 721-729, 1999 | 194 | 1999 |
| Studying prescription drug use and outcomes with medicaid claims data: strengths, limitations, and strategies S Crystal, A Akincigil, S Bilder, JT Walkup Medical care 45 (10), S58-S65, 2007 | 180 | 2007 |
| Racial and ethnic disparities in depression care in community-dwelling elderly in the United States A Akincigil, M Olfson, M Siegel, KA Zurlo, JT Walkup, S Crystal American journal of public health 102 (2), 319-328, 2012 | 171 | 2012 |
| Use of psychotherapy for depression in older adults W Wei, U Sambamoorthi, M Olfson, JT Walkup, S Crystal American Journal of Psychiatry 162 (4), 711-717, 2005 | 155 | 2005 |
| Patients with schizophrenia at risk for excessive antipsychotic dosing JT Walkup, DD McAlpine, M Olfson, LE Labay, C Boyer, S Hansell Journal of Clinical Psychiatry 61 (5), 344-348, 2000 | 132 | 2000 |
| Prediction of homelessness within three months of discharge among inpatients with schizophrenia M Olfson, D Mechanic, S Hansell, CA Boyer, J Walkup Psychiatric services 50 (5), 667-673, 1999 | 125 | 1999 |
| Antidepressant treatment and health services utilization among HIV‐infected medicaid patients diagnosed with depression U Sambamoorthi, J Walkup, M Olfson, S Crystal Journal of General Internal Medicine 15 (5), 311-320, 2000 | 123 | 2000 |
| Drug abuse, methadone treatment, and health services use among injection drug users with AIDS U Sambamoorthi, LA Warner, S Crystal, J Walkup Drug and alcohol dependence 60 (1), 77-89, 2000 | 120 | 2000 |
| Diagnosis and treatment of depression in older community‐dwelling adults: 1992–2005 A Akincigil, M Olfson, JT Walkup, MJ Siegel, E Kalay, S Amin, KA Zurlo, ... Journal of the American Geriatrics Society 59 (6), 1042-1051, 2011 | 119 | 2011 |
| A systematic review of validated methods for identifying suicide or suicidal ideation using administrative or claims data JT Walkup, L Townsend, S Crystal, M Olfson Pharmacoepidemiology and drug safety 21, 174-182, 2012 | 117 | 2012 |
| The impact of mental health and substance abuse factors on HIV prevention and treatment J Walkup, MB Blank, JS Gonzalez, S Safren, R Schwartz, L Brown, ... JAIDS Journal of Acquired Immune Deficiency Syndromes 47, S15-S19, 2008 | 116 | 2008 |
| A systematic review of validated methods for identifying depression using administrative data L Townsend, JT Walkup, S Crystal, M Olfson Pharmacoepidemiology and drug safety 21, 163-173, 2012 | 111 | 2012 |
| Combined medical and psychological symptoms: impact on disability and health care utilization of patients with arthritis FM Vali, J Walkup Medical Care 36 (7), 1073-1084, 1998 | 86 | 1998 |
| HIV patients with psychiatric disorders are less likely to discontinue HAART S Himelhoch, CH Brown, J Walkup, G Chander, PT Korthius, J Afful, ... Aids 23 (13), 1735-1742, 2009 | 83 | 2009 |
| Reliability of Medicaid claims files for use in psychiatric diagnoses and service delivery JT Walkup, CA Boyer, SL Kellermann Administration and Policy in Mental Health and Mental Health Services …, 2000 | 81 | 2000 |
| Schizophrenia and major affective disorder among Medicaid recipients with HIV/AIDS in New Jersey. J Walkup, S Crystal, U Sambamoorthi American journal of public health 89 (7), 1101-1103, 1999 | 79 | 1999 |
| Psychiatric rehospitalization among elderly persons in the United States JD Prince, A Akincigil, E Kalay, JT Walkup, DR Hoover, J Lucas, J Bowblis, ... Psychiatric services 59 (9), 1038-1045, 2008 | 74 | 2008 |
