John F. O’Brien

Human thiopurine methyltransferase pharmacogenetics: Gene sequence polymorphisms*

Diane M. Otterness, Carol L. Szumlanski, Lynne Lennard et al. · Clinical Pharmacology & Therapeutics · 1997 · 393 citations

Allelic Variant, Genetic Determinant, Allergy +14

Development of a Rapid, Quantitative Method for LDL Subfractionation with Use of the Quantimetrix Lipoprint LDL System

Daniel M Hoefner, Shannon D Hodel, John F. O’Brien et al. · Clinical Chemistry · 2001 · 271 citations · Full text

Concurrent Assays of Circulating Bone Gla-Protein and Bone Alkaline Phosphatase: Effects of Sex, Age, and Metabolic Bone Disease*

RALPH J. DUDA, John F. O’Brien, Jerry A. Katzmann et al. · The Journal of Clinical Endocrinology & Metabolism · 1988 · 249 citations

Selenium Deficiency and Fatal Cardiomyopathy in a Patient on Home Parenteral Nutrition

C. Richard Fleming, J. T. Lie, John McCall et al. · Gastroenterology · 1982 · 229 citations

Nutrition, Selenium Deficiency, Clinical Nutrition +4

Identification of 58 novel mutations in Niemann-Pick disease type C: Correlation with biochemical phenotype and importance of<i>PTC1</i>-like domains in<i>NPC1</i>

Walter D. Park, John F. O’Brien, Patrick A. Lundquist et al. · Human Mutation · 2003 · 212 citations

Genetics, Genetic Epidemiology, Pathology +16