Several clinical and experimental data have implicated the failure of blood – brain barrier ( BBB ) function in triggering chronic or acute seizures, some studies implicate the interactions between a common blood protein — albumin and astrocytes.

Several clinical studies have shown that combined ECPs containing ethinyl estradiol and levonorgestrel can inhibit or delay ovulation .< sup > 107 – 110 </ sup ></ ref >

Several clinical trials have already reported positive results using rAAV to treat Leber's Congenital Amaurosis, showing that the therapy was both safe and effective There were no serious adverse events, and patients in all three studies showed improvement in their visual function as measured by a number of methods.

Several clinical and epidemiological studies conducted in the United States and in the United Kingdom have investigated the occurrence of MCS in military personnel deployed to the Persian Gulf during the 1990s.

Several vaccine candidates are currently in various phases of research and development, including a number of ongoing clinical trials.

Several large studies in the U. K. have produced evidence that demonstrates positive clinical and cost effectiveness of manipulation in the management of lower back pain, the latest being the U. K. Back pain Exercise And Manipulation ( UK BEAM ) trial.

Several clinical and experimental data have implicated the failure of blood – brain barrier function in triggering chronic or acute seizures.

Several vaccine candidates are in varying phases of clinical trials.

Several clinical trials have shown nighttime biofeedback to be effective at substantially reducing nighttime bruxism behavior ( though daytime biofeedback alone has not been shown to be effective at altering nighttime behavior ).

Several clinical studies indicate that supplementation with melatonin is an effective preventive treatment for migraines and cluster headaches.

Several different epidemiological studies indicate antibiotic resistance is increasing in clinical isolates.

Several clinical trials are underway and seeking to apply these methodologies to various limb girdly dystrophies.

Several producers of Chinese herbal medicines are pursuing FDA clinical trials to market their products as drugs in U. S. and European markets.

Several photosensitizers are commercially available for clinical use, such as Allumera, Photofrin, Visudyne, Levulan, Foscan, Metvix, Hexvix, Cysview, and Laserphyrin, with others in development, e. g. Antrin, Photochlor, Photosens, Photrex, Lumacan, Cevira, Visonac, BF-200 ALA. Amphinex.

Several unblinded clinical studies have suggested a benefit of balloon kyphoplasty for patients with spinal fractures.

Several different histological subtypes of rhabdomyosarcoma exist, each of which has different clinical and pathological characteristics.

Several other marine-derived agents are now in clinical trials for indications such as cancer, anti-inflammatory use and pain.

Several studies have reported clinical benefit from gFOBT testing including urology and gynecology clinics.

Several clinical trials are currently underway to investigate the role of PFO in these clinical situations.

Several studies seem to suggest that the mechanisms underlying their evolution may at least in part differ, with consequently possibly different clinical implications.

Several case reports have studied the efficacy of 3 newer antifungal agents in the treatment of disease that is refractory to first-line therapy: posaconazole and voriconazole ( triazole compounds similar in structure to fluconazole ) and caspofungin ( glucan synthesis inhibitor of the echinocandin structural class ). 66, 67 However, these drugs have not been FDA approved, and clinical trials are lacking.

Several recent clinical studies have also suggested that there is a positive correlation between creativity and bipolar disorder, although the relationship between the two is unclear.

Several milestones in medical care and research have taken place at Geisel, including the first clinical X-ray ( 1896 ), the first intensive care unit in the United States ( 1955 ), and the Brattleboro rat ( 1961 ).

Several companies also saw possibilities in using the technique for extruding or molding vinyl products with a slight cellular core that would reduce costs yet would not affect physical properties of the end product to any great extent.

Several kinds of descriptive categorizations can be applied broadly to the elements, including consideration of their general physical and chemical properties, their states of matter under familiar conditions, their melting and boiling points, their densities, their crystal structures as solids, and their origins.

Several terms are commonly used to characterize the general physical and chemical properties of the chemical elements.

Several brain imaging techniques, such as EEG and fMRI, have been used for physical measures of brain activity in these studies.

Several works among the best known during this long period could be cited as an example, from Strabo ( Geography ), Eratosthenes ( Geography ) or Dionisio Periegetes ( Periegesis Oiceumene ) in the Ancient Age to the Alexander von Humboldt ( Cosmos ) in the century XIX, in which geography is regarded as a physical and natural science, of course, through the work Summa de Geografía of Martín Fernández de Enciso from the early sixteenth century, which is indicated for the first time the New World.

Several physical implementations which approximate two-level systems to various degrees were successfully realized.

Several physical principles are employed by turbines to collect this energy:

There is no explanation for the particular values that physical constants appear to have throughout our universe, such as Planck's constant h or the gravitational constant G. Several conservation laws have been identified, such as the conservation of charge, momentum, angular momentum and energy ; in many cases, these conservation laws can be related to symmetries or mathematical identities.

Several general properties of physical laws have been identified ( see Davies ( 1992 ) and Feynman ( 1965 ) as noted, although each of the characterizations are not necessarily original to them ).

Several physical reasons predict that the conductivity of a nanowire will be much less than that of the corresponding bulk material.

Several RFCs mention a physical layer and data link layer, but that is in context of IEEE protocols.

Several research directions study the physical consequences of the theory.

Several weeks later, she filed for divorce, charging Glusman with physical abuse.

Several methods have been proposed which can roughly be subdivided into four categories: pharmacological methods, surgery, physical therapy, and various stimulation techniques.

Several commentators have noted that Jesus describes the transfiguration using the Greek word orama (), according to Thayer more often used for a supernatural " vision " than for real physical events, and concluded that Moses and Elijah were not truly there.

Several heavy defeats were inflicted and Rush was criticised for the physical and long-ball tactics his managerial team opted to use.

Several prominent physicists have been extremely critical of the underlying physical theory, calling it " extremely unlikely ", " bull shit " and " fraud " and suggesting that their investors are fools and dupes, while IEEE Spectrum magazine listed BlackLight as a " loser " technology.

Several studies have argued that, unlike physical and sexual maltreatment, an isolated incident does not constitute emotional abuse.

Several different physical trophies have had the name, as a club was entitled to keep the cup after five wins or three consecutive wins, with a new cup having to be forged for the following season.

Several public commentators have characterized the term as derogatory while noting that assaults or physical intimidation of Asians are often accompanied by racial slurs or imitation Chinese.

* Several unnamed members that possess a variety of energy-based and physical powers ; killed either by Strikeforce: Morituri or Szell's Army

Several physical properties ( oscillation, geometric structure, and light spectrum ) observed in Hessdalen lights phenomenon can be explained through the dust plasma model.

Several reviewers doubt the physical and mathematical correctness of Frieden's ideas ; see, for example, Raymond F. Streater's Lost Causes in Theoretical Physics: Physics from Fisher Information, and Cosma Shalizi's review of Physics from Fisher Information.

Several mental aptitude tests are administered, along with a basic physical fitness test and a medical examination.