The Philadelphia Pulmonary Neoplasms Research Project

Clin Chest Med. 1982 May;3(2):243-56.
No abstract available

MeSH terms

  • Age Factors
  • Aged
  • Humans
  • Longitudinal Studies
  • Lung Neoplasms / diagnosis
  • Lung Neoplasms / epidemiology*
  • Lung Neoplasms / etiology
  • Male
  • Middle Aged
  • Pennsylvania
  • Prospective Studies
  • Risk
  • Smoking
  • Time Factors