Additional references: life cycle of imaging equipment
- Johnson KC, et al., How to forge a genuine vendor-buyer partnership, Diagnostic imaging: the news magazine of radiology, nuclear medicine and ultrasound 19 (1997) 67
- Johnson KC, Technology travel: Make site visits both smooth and effective, Diagnostic Imaging (1999)
- Johnson KC, “Compression Management” can help in keeping up with new technology, Diagnostic Imaging, 1999