Tantalum Oxide and Alveolar Macrophage FunctionMATTHAY, RICHARD A.; PUTMAN, CHARLES E.; GEE, J BERNARD L.; SMITH, G J WALKER; McCLOUD, THERESA; GREENSPAN, RICHARD H. · Investigative Radiology · 1977

PULMONARY SARCOIDOSISKIRKS, DONALD R.; MCCORMICK, VINCENT D.; GREENSPAN, RICHARD H. · American Journal of Roentgenology · 1973

Intercalative Chest Roentgenography ¹Hipona, Florencio A.; Greenspan, Richard H. · Radiology · 1964

Observations on Magnification RadiographyFriedman, Paul J.; Greenspan, Richard H. · Radiology · 1969

Comments on Bronchial ArteriographyGreenspan, Richard H. · Chest · 1971

Radiographic Diagnosis of Hyaline Membrane DiseaseGreenspan, Richard H. · Investigative Radiology · 1970

The Transitional YearsGreenspan, Richard H. · Investigative Radiology · 1990

Investigative RadiologyEvens, Ronald G.; Bragg, David G.; Greenspan, Richard H. · Investigative Radiology · 1980