Statistics
Publications
152
Citations
8.1K
H-Index
49
Active since
1960
Robert G. Johnson is an author at University of Pennsylvania specializing in medicine, physiology, and pharmacology.
Publications per year
1960–2022
152
152
Dallas Discogram Description A New Classification of CT/Discography in Low-back Disorders
Barton L. Sachs, Heikki Vanharanta, Mark A. Spivey et al. · Spine · 1987 · 341 citations
1–5 of 152