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03/01/1975 - "1. The authors present 86 children and adolescents with rheumatic heart disease of the Pediatric Cardiology Service of the Instituto Nacional de Cardiologia who received valve replacements in the period between September, 1964 and April, 1973, a series which is more numerous and of longer follow-up than any published up to the present 2. In order to obtain comparable results, patients with mitral heart disease of other origen and aortic replacement as well as those subjected to double or triple exchange, were omitted from the study. "

12/01/2008 - "falciparum that can be used for future studies about evaluation of compounds of synthetic or natural origen against the sexual stage, which may permit to develop new control strategies against malaria."

03/01/1975 - "1. The authors present 86 children and adolescents with rheumatic heart disease of the Pediatric Cardiology Service of the Instituto Nacional de Cardiologia who received valve replacements in the period between September, 1964 and April, 1973, a series which is more numerous and of longer follow-up than any published up to the present 2. In order to obtain comparable results, patients with mitral heart disease of other origen and aortic replacement as well as those subjected to double or triple exchange, were omitted from the study. "

09/01/2007 - "The aim of this study was to unravel the origen and cause of intra-oral and extra-oral halitosis. "

01/01/2023 - "El linfoma de Hodgkin (LH) comprende un grupo heterogéneo de neoplasias linfoides cuyo origen radica en linfocitos B. "
01/01/2023 - "Métodos: Las masas cervicales fueron categorizadas como lesiones congénitas (n = 7, 3%, 95% CI: 1%- 5%), masas de origen inflamatorio (n = 67, 25%, 95% CI: 19%-30%), neoplasias benignas (n = 77, 28%, 95% CI: 23%- 34%) y neoplasias malignas (n = 87, 32%, 95% CI: 26%-38%). "
07/04/2022 - "presentamos el caso de un hombre de 23 años, de origen mexicano que se presentó con un tumor recidivante a dos años de resección quirúrgica previa en glándula parótida derecha, se realizaron estudios de imagen y se sospechó de neoplasia primaria de glándula salival, fue tratado con resección quirúrgica. "
02/01/2022 - "Se buscó conocer la coexistencia de la MOP con neoplasias de origen mesodérmico, para que sean consideradas en el diagnóstico de otros pacientes, así como formular hipótesis para esclarecer su asociación. "
01/01/2022 - "El rabdomiosarcoma es una neoplasia maligna de origen mesenquimal con diferenciación muscular estriada esquelética. "