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Null steering methods usually involve costly and complicated amplitude and/or phase control systems. A new technique is presented for null steering based on the element positions perturbations. This method possesses an even symmetry pattern cancellation, which allows nulls to be imposed at symmetrical positions around the main beam. Also it frees the phase shifters to be used solely for steering the...
Background Subcutaneous injections allow for self-administration, but consideration of patients’ perspectives on treatment choice is important to ensure adherence. Previous systematic reviews have been limited in their scope for assessing preferences in relation to other routes of administration. Objective Our objective was to examine patients’ perspectives on subcutaneously administered self-injectable...
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