Several cantons remained Catholic and became the basis of serious conflicts that eventually led to the outbreak of the Wars of Kappel.

Several scientists have suggested complete eradication of mosquitoes would not have serious ecological consequences.

Several members of the SED Politbüro realized this was a serious blunder and made plans to get rid of him.

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 of the Butchers, including John Murphy, were questioned about a serious assault in April 1977 in Union Street, near Belfast city centre, on a man they believed wrongly was a Catholic.

Several were taken to pediatric trauma wards, indicating serious injuries.

Several attempts have been made to inhabit the Red House, but no one has stayed there for any serious length of time.

Several other nations were at one time or have become in recent years serious contenders in both WAG and MAG.

Several incidents involved serious atrocities, such as massacres at al-Bassa and Halhul.

Several religions that are classified as parody religions have a number of relatively serious followers who embrace the perceived absurdity of these religions as spiritually significant, a decidedly post-modern approach to religion.

Several ivy species have become a serious invasive species ( invasive exotic ) in natural native plant habitats, ( especially riparian and woodland ) types, and also a horticultural weed in gardens of the western and southern regions of North America with milder winters.

Several medieval churches in Tskhinvali sustained serious damage as a result of the Georgian shelling.

Several are serious pests, with the larvae boring into wood, where they can cause extensive damage to either living trees or untreated lumber ( or, occasionally, to wood in buildings ; the old-house borer, Hylotrupes bajulus, being a particular problem indoors ).

Several medical professionals expressed concerns that this could contribute to an overuse of antibiotics which leads to antibiotic resistance, a serious public health concern.

Several days after trying this new batch of his homemade drug, Kidston developed serious Parkinson's Disease symptoms, as did several friends he had shared the drug with.

Several splinter parties formed in 1989 and 1994, but the most serious split occurred in 1998 when a dispute over Kenneth Koma's leadership resulted in the departure of the majority of the party's parliamentary wing ( 11 of 13 MPs ) and the formation of the Botswana Congress Party ( BCP ).

Several serious forest fires have plagued the monument in the latter part of the 20th century, including in the Cerro Grande Fire of 2000 and the Las Conchas Fire of 2011.

Several other serious fires, notably that at the Theatre Royal, Exeter in 1887, led to the introduction of safety curtains on a wider scale.

Several critics have suggested that this publication marks an early shift in the stylistic vocabulary of Coupland and, according to one critic, he was “ excoriated presumably for attempting be serious and to express depression and spiritual yearning when his reviewers were expecting more postmodern jollity ”.

Several major leaders among the Red Army commanders, such as Marshal Georgy Zhukov and his loyal officers, had some serious tensions with Stalin's secret service.

Several other groups have analyzed mercury in waste water and concluded that it is a serious problem.

Several species are serious invasive weeds, notably Japanese knotweed in Europe and North America ( see below ).

Several populations of Atlantic salmon are in serious decline, and are listed as endangered under the Endangered Species Act ( ESA ).

Several marketing mottos have been promoted for the Titleist brand, including " The # 1 ball in golf ", " Serious clubs for serious golfers ", " It's not how you mark your golf ball, it's how you mark your Titleist ".

Several dentists and patients with special dental problems have experimented with the device.

Several other similar systems also existed with even higher performance, but these often required special cabling that was incompatible with LocalTalk / PhoneNet, and also required patches to the networking stack that often caused problems.

Several concepts that provide alternative definitions for the reaction mechanisms involved and their application in solving related problems exist.

Several fields of discrete mathematics, particularly theoretical computer science, graph theory, and combinatorics, are important in addressing the challenging bioinformatics problems associated with understanding the tree of life.

Several foundation-related engineering problems, such as the Leaning Tower of Pisa, prompted scientists to begin taking a more scientific-based approach to examining the subsurface.

Several algorithms are freely available to solve knapsack problems, based on dynamic programming approach, branch and bound approach or hybridizations of both approaches.

Several other examples of provable quantum speedups for query problems have subsequently been discovered, such as for finding collisions in two-to-one functions and evaluating NAND trees.

Several theoretical problems have been found with the AAH, and some claims made by the AAH have been challenged as having explanations aside from a period of aquatic adaptation.

Several linguistic problems arise in the attempt to relate Sumerian with known language families.

Several of the fundamental problems caused by the transition to sound were soon solved with new camera casings, known as " blimps ", designed to suppress noise and boom microphones that could be held just out of frame and moved with the actors.

Several other newspapers launched in the 1980s, including the Sunday Correspondent, had collapsed without winning enough readers to be profitable, and The Independent was experiencing similar problems.

Several prominent civil engineer considered the problems of Deeping Fen and the river outfall at the end of the 1700s.

Several studies have shown the importance of the Internet in providing social support, particularly to groups with chronic health problems.

Several of the Hilbert problems have been resolved ( or arguably resolved ) in ways that would have been profoundly surprising, and even disturbing, to Hilbert himself.

" Several mathematicians accepted the challenge, notably Fields Medalist Steve Smale, who responded to a request of Vladimir Arnold by proposing a list of 18 problems.

Several problems with MR led to the development of the newer systems:

Several solutions to these problems were explored in the 1960s.

Several problems of gameplay are left woefully ambiguous or completely untouched in Linnaeus ' notes, and some translations are problematic.

Several essays about aesthetics followed, whereupon Schlick turned his attention to problems of epistemology, the philosophy of science, and more general questions about science.

Several modifications of the basic CSP definition have been proposed to adapt the model to a wide variety of problems.

Several of the processes investigated did not come to fruition owing to political and economic problems but the establishment of the ICI Pruteen process for the production of bacterial SCP for animal feed was a milestone in the development of the fermentation industry.

Several problems are related to shade in pasture areas.

Several radio stations have been forced to drop the program because of this policy, thus reducing Dr. Demento's affiliate count ( seven affiliates in 2008, versus over 100 at its peak ), further exacerbating the show's financial problems.

Several projects resulted in financial problems and many of the new buildings had fire code violations.