Fetal gender and aneuploidy detection using fetal cells in maternal blood: analysis of NIFTY I data. National Institute of Child Health and Development Fetal Cell Isolation Study.

Improving emergency medicine residents' approach to patients with alcohol problems: a controlled educational trial.

Professional satisfaction experienced when caring for substance-abusing patients: faculty and resident physician perspectives.

Patterns of proton pump inhibitor use in clinical practice.

Validation of the Framingham coronary heart disease prediction scores: results of a multiple ethnic groups investigation.

Generation and analysis of mice lacking the chemokine fractalkine.

Evolution of depressive symptoms in human immunodeficiency virus-infected patients entering primary care.

Correlates of violent assault among young male primary care patients.

Understanding delay to medical care for HIV infection: the long-term non-presenter.

Improving alcoholism treatment across the spectrum of services.