co-author.XX
frames- They were disturbed *-1 at what they regarded *T*-4 as Dr. Baltimore 's confrontational attitude toward the Dingell committee , which *T*-2 held hearings on a dispute over the lab notebooks of [ARG0 a researcher] who *T*-3 had [rel co-authored] [ARG1 a scientific paper] with [ARG2-with Dr. Baltimore] .