Skip to main content

Search results for "observational studies"

Filters: 1999 1999 ×
Viewing 21 - 24 of 24 results by relevance

The Medical Follow-up Agency: The First Fifty Years, 1946-1996  (1999)

Reducing the Odds: Preventing Perinatal Transmission of HIV in the United States  (1999)

Veterans and Agent Orange: Update 1998  (1999)

Consensus Study Report

Lesbian Health: Current Assessment and Directions for the Future  (1999)