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PRIMARY. That which is first or principal; as primary evidence, or that evidence which is to be admitted in the first instance, as distinguished from secondary evidence, which is allowed only when primary evidence cannot be had.
     2. A primary obligation is one which is the principal object of the contract; for example, the primary obligation of the seller is to deliver the thing sold, and to transfer the title to it. It is distinguished from the accessory or secondary obligation to pay damages for not doing so. 1 Bouv. Inst. n. 702.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
The common symptoms of a brain tumor include vertigo, personality changes, extreme headaches and balance problems.
In traditional medical practices, the diagnosis of brain tumors usually involves the use of electroencephalography, magnetic resonance imaging (MRI), and computed tomography (CT) scans.
Patients with a brain tumor less than 3 centimeters of size and having physical condition not suitable for surgery can be offered treated with SRS.'
The grant was awarded by the Association's Brain Tumor Funders' Collaborative's (BTFC), which was formed by private foundations and non-profit organisations to pool their resources and become more strategic by focusing their research dollars toward specific therapeutic goals.
Some people can live a long time after brain tumor surgery.
Is it true that even benign brain tumors can be fatal?
Increased Cho/Cr ratio, decreased NAA and presence of lactate.6 Astrocytomas are classified into low grade, anaplastic and GBM (Glioblastoma Multiforme).7 Grading of astrocytoma is essential for the decision of surgery, post-operative adjuvant treatment and functional outcome.8 Accurate pre-operative diagnosis is of immense importance in planning the limits of maximal safe resection.9 A patient diagnosed as a case of primary brain tumor has concerns regarding complete resection for which the pre-operative diagnosis is very important.10 This study was designed to determine the sensitivity and specificity of MRI and MRS in diagnosis of characteristics of brain tumors and comparing it with the final histopathological diagnosis.
Chronic health conditions experienced by survivors of a pediatric brain tumor primarily comprise physical and neurocognitive dysfunction.
In some cases, more than one of these treatment types were used and the most people with a brain tumor undergo surgery, he added.
That proposed method segmented and classified the MRI brain tumor image as benign or malignant.
The screening test revealed that Coibamide a is capable of killing many types of cancerous cells especially that of brain tumor and breast cancer (triple negative breast cancer).