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Journal of Pharmaceutical Sciences|November 1, 1980
Binding of toxic metabolites of isoniazid by aconiazideH R Held, S LandiThe American Review of Respiratory Disease|January 1, 1975
Effect of light on tuberculin purified protein derivative solutionsS Landi, H R HeldDevelopments in Biological Standardization|January 1, 1986
Effect of oxidation on the stability of tuberculin purified protein derivative (PPD)S Landi, H R HeldDevelopments in Biological Standardization|January 1, 1986
The need to redefine the unit of the international standard for tuberculin purified protein derivative (PPD-S)S Landi, H R HeldVision Research|January 1, 1983
Shared characteristics of stereopsis and the purely binocular processJ M Wolfe, R HeldJournal of Perinatology : Official Journal of the California Perinatal Association|January 25, 2000
Regionalization of perinatal health care: a lesson learned but lostH A HeinAmerican Journal of Optometry and Physiological Optics|March 1, 1979
Strabismic amblyopia in infantsJ Thomas, I Mohindra, R HeldCanadian Journal of Psychology|June 1, 1989
From visual acuity to hyperacuity: a 10-year updateJ Gwiazda, J Bauer, R HeldProceedings of the National Academy of Sciences of the United States of America|September 1, 1980
Stereoacuity of human infantsR Held, E Birch, J GwiazdaPageof 33