Research ArticleArticle
Nitrogen Electron Densities in Narcotics and Narcotic Antagonists by X-ray Photoelectron Spectroscopy and Comparison with Quantum Chemical Calculations
LEIF J. SAETHRE, THOMAS A. CARLSON, JOYCE J. KAUFMAN and WALTER S. KOSKI
Molecular Pharmacology July 1975, 11 (4) 492-500;