NLM Digital Collections

Search

Search Constraints

Start Over You searched for: Collections Health Policy and Services Research Remove constraint Collections: Health Policy and Services Research Subjects Humans Remove constraint Subjects: Humans Authors Zhang, Kan, author Remove constraint Authors: Zhang, Kan, author

Search Results

1. Sources of increasing differential mortality among the aged by socioeconomic status

2. Evidence of increasing differential mortality: a comparison of the HRS and SIPP