Treating emotionally disturbed children and adolescents in a tertiary referral unit.
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Adolescent↗
Biomedical subjects
Publications and source records attributed to B Macdonald.
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An algorithm for the digital reconstruction of the Fresnel-coded gamma camera image consists of the spatial Fourier transform of the hologram after applying a quadratic phase shift. Background subtraction is implemented by use of positive and negative zone plates. Tomographic planes are reconstructed in 27 sec from a single zone-plate shadow image by successively varying a parameter in the reconstruction algorithm on a small computer system.
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