Silastic band migration: an unusual complication following vertical banded gastroplasty.
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Abdominal Pain↗
Biomedical subjects
M D Martín
Publications and source records attributed to M D Martín.
Polarization control of the nonlinear emission of semiconductor microcavities.
The degree of circular polarization ( Weierstrass p ) of the nonlinear emission in semiconductor microcavities is controlled by changing the exciton-cavity detuning. The polariton relaxation towards K approximately 0 cavitylike states is governed by final-state stimulated scattering. The helicity of the emission is selected due to the lifting of the degeneracy of the +/-1 spin levels at K approximately 0. At short times after a pulsed excitation Weierstrass p reaches very large values, either positive or negative, as a result of stimulated scattering to the spin level of lowest energy (+1/-1 spin for positive/negative detuning).
Journal Article↗
[Idiopathic perforation of the choledocus in childhood].
The purpose of this report is to describe a seven-years-old patient with an idiopathic perforation of the common bile duct. This disorder is more frequent in the first weeks of life, and the clinical features are not well known. Properly treated, the majority of infants survive without sequelae. Furthermore, a review of the literature is made.
Child↗
[Portosystemic encephalopathy: evaluation using magnetic resonance].
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Arnold-Chiari Malformation↗