What changed
Proposed faster two- or three-dimensional spin-density imaging using echo trains and time-dependent gradients.
Scientific scope
The record is Mansfield's sole-author 1977 letter. It builds on earlier planar imaging work and does not absorb Lauterbur's 1973 spatial-imaging contribution, every later echo-planar sequence, clinical validation or scanner engineering.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. The record is Mansfield's sole-author 1977 letter. It builds on earlier planar imaging work and does not absorb Lauterbur's 1973 spatial-imaging contribution, every later echo-planar sequence, clinical validation or scanner engineering.
Contributors
- P. Mansfield · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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