However, untreated crystals often crack if flash-frozen ; therefore, they are generally pre-soaked in a cryoprotectant solution before freezing.

However, rubies that are completely untreated but still of excellent quality command a large premium.

However, about 28 times a year, melting snow or rainwater can overwhelm the sewers, causing untreated sewage to overflow into the Illinois River.

However, as few doctors are aware of it, it often goes untreated or is treated inappropriately ; DSPD is often misdiagnosed as primary insomnia or as a psychiatric condition.

However, his torn rotator cuff, still undiagnosed and untreated, never healed.

However, this water is not potable, containing bacteria and heavy metals and the canals still receive untreated wastewater and other pollution Another major problem, especially in the past two decades has been the population explosion of Mexico City, pushing urban sprawl further south into formerly rural areas of the Federal District.

However, it is used to irrigate crops grown on the chinampas, even though the canals are further polluted by untreated sewerage and garbage.

However, Okulitch and Marlatt ( 1972 ) found that alcoholics subjected to aversive therapy via electric shock did worse than an untreated control group at the 15 month follow up period.

However, a study on untreated herpes zoster shows that, once the rash has cleared, postherpetic neuralgia is very rare in people under 50 and wears off in time ; in older people the pain wore off more slowly, but even in people over 70, 85 % were pain free one year after their shingles outbreak.

However, despite marketing efforts, most GH-deficient adults remain untreated.

However the building has the secondary and ( possibly unintended by the builder ) effect of protecting the privy hole from large influxes of water when it is raining, which would flood the hole and flush untreated wastes into the underlying soils before they can decompose.

However, untreated persistent hypoglycemia can lead to permanent brain damage.

However, if the condition is left untreated or becomes severe, it can produce complications that can cause eye damage, resulting in impaired vision or ( rarely ) in the loss of vision.

However, if left untreated, total blindness could occur in a matter of days.

However, if tennis elbow is left untreated, it can lead to chronic pain that degrades quality of daily living.

However, if left untreated the disease can lead to sepsis, hemorrhage or other chronic conditions that can be fatal.

However, since African trypanosomiasis has such a high mortality rate if left untreated, treatment with eflornithine may justify any potential risk to the fetus.

However, it can cause permanent blindness if introduced to the eye and left untreated ( causing chemosis and corneal swelling ).

However, a recent large study has shown that if patients are treated with large doses of corticosteroid therapy during the early stages of NAION, in eyes with initial visual acuity of 20 / 70 or worse, seen within 2 weeks of onset, there was visual acuity improvement in 70 % in the treated group compared to 41 % in the untreated group ( odds ratio of improvement: 3. 39 ; 95 % CI: 1. 62, 7. 11 ; p ¼ 0. 001 ) ( Graefes Arch.

However, if it is left untreated, it is almost always fatal.

However, whilst a lack of GLUT2 adaptability is negative, it is important to remember the fact that the main result of untreated gestational diabetes appears to cause babies to be of above-average size, which may well be an advantage that is managed very well with a healthy GLUT2 status.

However, pulmonary embolism is generally classified as a form of venous embolism, because the embolus forms in veins, e. g. deep vein thrombosis.

However, when the vacuum is created, the abdomen also expands along with the lung, cutting off venous flow back to the heart, leading to pooling of venous blood in the lower extremities.

However, the elements comprising Virchow's triad were neither proposed by Virchow, nor did he ever suggest a triad to describe the pathogenesis of venous thrombosis.

However, a more detailed review by the Cochrane Library found no evidence that electromagnetic therapy, a subset of electrotherapy, was effective in healing pressure ulcers or venous stasis ulcers.

However, the exact way of determining corticosteroid insufficiency remains problematic.

However, hypermagnesemia is not a prominent feature of renal insufficiency unless magnesium intake is increased.

However, the plasma volume also is reduced, resulting in hypotension, circulatory insufficiency, and, eventually, fatal shock.

However, severe complications including pulmonary alveolar proteinosis and renal insufficiency may develop even with proper treatment.

However, for convenience we will stick to the idea that information can be classified according to Table 1.

However, the surface temperature gradient can produce erroneous vapor-pressure measurements for the bulk liquid helium unless precautions are taken to isolate the tube ( which passes through the surface to the vapor pressure bulb ) from the liquid helium surface.

However, the healthy inventory position of the textile industry lends support to the broadly expressed belief that improvement in that industry can be expected by the second half of 1961.

However, it is essential that the various mathematical symbols used in the equations be understood so that the mathematical processes can be done properly and in their correct order.

However, the displacement of the cylinder can be converted to cubic centimeters.

However, the formation of organically bound iodine, mainly mono-iodotyrosine, can be accomplished in cell-free systems.

However, the leveling operation can be maintained and controlled remotely with no mechanical or optical contact with the platform.

However, this difficulty is not too serious if it is realized that a surveying team can establish a true north base line with a few days' work.

However, the teacher can only go so far if the attitude of the community and the family is anti-intellectual.

However, one can argue that no such control is necessary as long as one pretends that the anti-trust laws are effective and rational.

However much we may have to criticize liberal theology's constructive formulations, the theology we ourselves must strive to formulate can only go beyond liberalism, not behind it.

However, many consequences of treatment-unit additivity can be falsified.

However, certain critical interlocutory court orders, such as the denial of a request for an interim injunction, or an order holding a person in contempt of court, can be appealed immediately although the case may otherwise not have been fully disposed of.

However, no direct connection can be demonstrated, and the similarity of the abaci may be coincidental, both ultimately arising from counting with five fingers per hand.

However, such apparent simplifications can perversely make a script more complicated.

However, the opposite can also be true-An opponent can turn a positive statement into a bad one, if the speaker uses ambiguity ( intentionally or not ).

However, many DSCs, and also go-to systems, can work in conjunction with laptop sky programs.

However, it was held by the Supreme Court that an affidavit can be used as an evidence only if the Court so orders for sufficient reasons.

However, non-arable land can sometimes be converted into arable land.

However, anxiety should not be confused with fear, it is more of a dreaded feeling about something which appears intimidating and can overcome an individual.

However a comparable performing digital system is more complex and can require more bandwidth than its analog counterpart.

However, in digital systems, degradation can not only be detected but corrected as well.

However, the algorithm can be improved by adopting the method of the assumed mean.

However, some alloys can also have their properties altered by heat treatment.