OV7, formerly known as La Onda Vaselina, is a Latin pop group from Mexico formed in 1989, but it was not until the early 1990s that OV7 would begin to make their mark.n 1998 Onda Vaselina made a huge comeback with a strong album that made history in the Mexican charts Entrega Total. The album sent the group back to the # 1 spot not only in Mexico but the rest of Latin America, The disturbedtake the hits were Mirame A Los Ojos.
Digital subtraction angiography. Digital subtraction angiography (DSA) is a type of fluoroscopy technique used in interventional radiology to clearly visualize blood vessels in a bony or dense soft tissue environment.
Posterior cortical atrophy (PCA) refers to gradual and progressive degeneration of the outer layer of the brain (the cortex) in the part of the brain located in the back of the head (posterior). It is not known whether PCA is a unique disease or a possible variant form of Alzheimerâs disease.osterior cortical atrophy (PCA) refers to gradual and progressive degeneration of the outer layer of the brain (the cortex) in the part of the brain located in the back of the head (posterior). It is not known whether PCA is a unique disease or a possible variant form of Alzheimerâs disease.