Ronald J. Callahan

Self-organized patchiness in asthma as a prelude to catastrophic shifts

José G. Venegas, Tilo Winkler, Guido Musch et al. · Nature · 2005 · 581 citations

Medicine, Clinical Sciences, Physiology +17

A modified method for the in vivo labeling of red blood cells with Tc-99m: concise communication.

Ronald J. Callahan, Jerry Froelich, K.A. McKusick et al. · PubMed · 1982 · 327 citations

Medicine, Hematology, Nuclear Medicine +9

Topographical distribution of pulmonary perfusion and ventilation, assessed by PET in supine and prone humans

Guido Musch, J. Dominick H. Layfield, R. Scott Harris et al. · Journal of Applied Physiology · 2002 · 238 citations

Medicine, Nuclear Medicine, Radiology +15

Redistribution of regional and organ blood volume and effect on cardiac function in relation to upright exercise intensity in healthy human subjects.

Scott D. Flamm, Junichi Taki, Richard H. Moore et al. · Circulation · 1990 · 201 citations

Education, Cardiology, Physiology +17

¹¹¹In-Labeled Nonspecific Immunoglobulin Scanning in the Detection of Focal Infection

Robert H. Rubin, Alan J. Fischman, Ronald J. Callahan et al. · New England Journal of Medicine · 1989 · 193 citations

Medicine, Oncology, Radiology +13