| Discriminating between iron deficiency anemia and anemia of chronic disease using traditional indices of iron status vs transferrin receptor concentration FH Wians Jr, JE Urban, JH Keffer, SH Kroft American journal of clinical pathology 115 (1), 112-118, 2001 | 180 | 2001 |
| Myocardial Markers of Injury: Evolution and Insights JH Keffer American journal of clinical pathology 105 (3), 305-320, 1996 | 177 | 1996 |
| Cardiac troponin I measurement with the ACCESS® immunoassay system: analytical and clinical performance characteristics RH Christenson, FS Apple, DL Morgan, GL Alonsozana, K Mascotti, ... Clinical chemistry 44 (1), 52-60, 1998 | 175 | 1998 |
| Effects of repeated electrical defibrillations on cardiac troponin I levels. JA Joglar, DJ Kessler, PJ Welch, JH Keffer, ME Jessen, MH Hamdan, ... The American journal of cardiology 83 (2), 270-2, A6, 1999 | 134 | 1999 |
| Nonspecific elevation of troponin T levels in patients with chronic renal failure D Li, J Keffer, K Corry, M Vazquez, I Jialal Clinical biochemistry 28 (4), 474-477, 1995 | 130 | 1995 |
| Greater frequency of increased cardiac troponin T than increased cardiac troponin I in patients with chronic renal failure D Li, I Jialal, J Keffer Clinical chemistry 42 (1), 114-115, 1996 | 117 | 1996 |
| Maternal cardiac troponin I levels during normal labor and delivery SA Shivvers, FH Wians Jr, JH Keffer, SM Ramin American journal of obstetrics and gynecology 180 (1), 122-127, 1999 | 116 | 1999 |
| The use of cardiac troponin-I (cTnI) to determine the incidence of myocardial ischemia and injury in patients with aneurysmal and presumed aneurysmal subarachnoid hemorrhage MB Horowitz, D Willet, J Keffer Acta neurochirurgica 140, 87-93, 1998 | 109 | 1998 |
| Comparison of cardiac troponin I and lactate dehydrogenase isoenzymes for the late diagnosis of myocardial injury JT Martins, DJ Li, LB Baskin, I Jialal, JH Keffer American journal of clinical pathology 106 (6), 705-708, 1996 | 97 | 1996 |
| Effects of cocaine on cortisol secretion in humans CM Heesch, BH Negus, RW Snyder II, EJ Eichhorn, JH Keffer, RC Risser The American journal of the medical sciences 310 (2), 61-64, 1995 | 88 | 1995 |
| Preanalytical considerations in testing thyroid function JH Keffer Clinical chemistry 42 (1), 125-134, 1996 | 81 | 1996 |
| The cardiac profile and proposed practice guideline for acute ischemic heart disease JH Keffer American journal of clinical pathology 107 (4), 398-409, 1997 | 75 | 1997 |
| Guidelines and algorithms: perceptions of why and when they are successful and how to improve them JH Keffer Clinical Chemistry 47 (8), 1563-1572, 2001 | 67 | 2001 |
| Economic considerations of point-of-care testing. JH Keffer American Journal of Clinical Pathology 104 (4 Suppl 1), S107-10, 1995 | 56 | 1995 |
| Troponin I in hypothyroidism LF Cohen, AJ Mohabeer, JH Keffer, I Jialal Clinical chemistry 42 (9), 1494-1495, 1996 | 48 | 1996 |
| Effects of cocaine on anterior pituitary and gonadal hormones. CM Heesch, BH Negus, JE Bost, JH Keffer, RW Snyder, EJ Eichhorn Journal of Pharmacology and Experimental Therapeutics 278 (3), 1195-1200, 1996 | 44 | 1996 |
| Soluble transferrin receptor (sTfR) concentration quantified using two sTfR kits: analytical and clinical performance characteristics FH Wians Jr, JE Urban, SH Kroft, JH Keffer Clinica chimica acta 303 (1-2), 75-81, 2001 | 40 | 2001 |
| Ischemia-modified albumin, free fatty acids, whole blood choline, B-type natriuretic peptide, glycogen phosphorylase BB, and cardiac troponin AHB Wu, P Crosby, G Fagan, O Danne, U Frei, M Möckel, J Keffer Cardiac markers, 259-277, 2003 | 25 | 2003 |
| False-positive serum prostate-specific antigen values in a patient with non-Hodgkin lymphoma of the kidney B Djavan, JH Keffer, K Molberg, CG Roehrborn Urology 45 (5), 875-878, 1995 | 20 | 1995 |
| Endocrinopathy and ectopic hormones in malignancy JH Keffer Hematology/Oncology Clinics 10 (4), 811-824, 1996 | 16 | 1996 |
