| Discovery of a supernova explosion at half the age of the Universe | Nature | 1998 | 1.8K |
| Genetic basis and molecular mechanism for idiopathic ventricular fibrillation | Nature | 1998 | 1.5K |
| Severe community-acquired pneumonia. Assessment of severity criteria | American Journal of Respiratory and Critical Care Medicine | 1998 | 792 |
| Molecular biology of mammalian plasma membrane amino acid transporters | Physiological Reviews | 1998 | 719 |
| Neural mechanisms of involuntary attention to acoustic novelty and change | Journal of Cognitive Neuroscience | 1998 | 659 |
| Magnetic Coupling in End-On Azido-Bridged Transition Metal Complexes: A Density Functional Study | Journal of the American Chemical Society | 1998 | 633 |
| Non-perturbative chiral approach to S-wave interactions | Nuclear Physics A | 1998 | 593 |
| Right bundle-branch block and ST-segment elevation in leads V1 through V3: a marker for sudden death in patients without demonstrable structural heart disease | Circulation | 1998 | 592 |
| Regional and cellular patterns of reelin mRNA expression in the forebrain of the developing and adult mouse | Journal of Neuroscience | 1998 | 466 |
| Animal antimicrobial peptides: an overview | Biopolymers | 1998 | 441 |
| Transarterial embolization versus symptomatic treatment in patients with advanced hepatocellular carcinoma: results of a randomized, controlled trial in a single institution | Hepatology | 1998 | 403 |
| The ParaHox gene cluster is an evolutionary sister of the Hox gene cluster | Nature | 1998 | 382 |
| Extraction procedures for the determination of heavy metals in contaminated soil and sediment | Talanta | 1998 | 369 |
| Bronchial microbial patterns in severe exacerbations of chronic obstructive pulmonary disease (COPD) requiring mechanical ventilation | American Journal of Respiratory and Critical Care Medicine | 1998 | 351 |
| Effective field theory for ultrasoft momenta in NRQCD and NRQED | Nuclear Physics, Section B, Proceedings Supplements | 1998 | 350 |
| Clinical events after transjugular intrahepatic portosystemic shunt: correlation with hemodynamic findings | Gastroenterology | 1998 | 347 |
| Retinitis pigmentosa caused by a homozygous mutation in the Stargardt disease gene ABCR | Nature Genetics | 1998 | 343 |
| Viral pollution in the environment and in shellfish: human adenovirus detection by PCR as an index of human viruses | Applied and Environmental Microbiology | 1998 | 331 |
| Cloning and characterization of a gene from Escherichia coli encoding a transketolase-like enzyme that catalyzes the synthesis of D-1-deoxyxylulose 5-phosphate, a common precursor for isoprenoid, thiamin, and pyridoxol biosynthesis | Proceedings of the National Academy of Sciences of the United States of America | 1998 | 325 |
| mtDNA analysis reveals a major late Paleolithic population expansion from southwestern to northeastern Europe | American Journal of Human Genetics | 1998 | 312 |
| Liver transplantation for small hepatocellular carcinoma: the tumor-node-metastasis classification does not have prognostic power | Hepatology | 1998 | 302 |
| Tumor necrosis factor and interleukin-6 in spontaneous bacterial peritonitis in cirrhosis: relationship with the development of renal impairment and mortality | Hepatology | 1998 | 293 |
| Transjugular intrahepatic portosystemic shunt in hepatorenal syndrome: effects on renal function and vasoactive systems | Hepatology | 1998 | 279 |
| Renal failure in multiple myeloma: presenting features and predictors of outcome in 94 patients from a single institution | Archives of Internal Medicine | 1998 | 273 |
| Identification and characterization of a membrane protein (y+L amino acid transporter-1) that associates with 4F2hc to encode the amino acid transport activity y+L. A candidate gene for lysinuric protein intolerance | Journal of Biological Chemistry | 1998 | 265 |
