Evgeni Dimitrov

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This research paper investigates and evaluates the currently available process models for software development with respect to representation of software performance engineering (SPE) tasks. The deficits identified point to the need to expand existing process models to include this task. On the basis of an process model for object-oriented development, a so(More)
Parathyroid hormone receptor 2 (PTH2R) and its ligand, tuberoinfundibular peptide of 39 residues (TIP39) constitute a neuromodulator system implicated in endocrine and nociceptive regulation. We now describe the presence and distribution of the PTH2R and TIP39 in the brain of primates using a range of tissues and ages from macaque and human brain. In situ(More)
In appropriately selected patients, glomus tumors of the head and neck are best treated surgically. Unresectability is not a factor in therapeutic planning for local disease control. Existing techniques and exposures for tumor removal can be reliably applied to these paragangliomas, with acceptable morbidity and mortality. A team approach to this problem is(More)
In this paper extended Petri Nets, SDL Time Nets, are introduced and used as means to analyze and verify SDL'92 speciications. The extensions include an association of data structure with some net places and attachement of preconditions (guard functions) and time ring intervals to net transitions. With the help of these nets it is possible to describe(More)
UNLABELLED Arterial hypertension is a major risk factor for coronary heart disease and stroke mortality. Few data exist on prevalence, awareness, and management of hypertension in Bulgaria, precluding development of potentially beneficial risk reduction initiatives. Between September 1996 and July 1997, an age-sex stratified sample of 847 male and 771(More)
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