Unfortunately, few of the artists ( writers, movie producers, dramatists and musicians ) who have used American folklore since 1900 have known enough to distinguish between the two streams even in the most general of ways.

Unfortunately, most operators are not commutative.

Unfortunately, some of the most commonly occurring disorders, such as heart disease, high blood pressure, Alzheimer's disease, arthritis, and diabetes, are caused by the combined effects of variations in many genes.

Unfortunately, most of the work was lost in a fire prior to publication.

Unfortunately, most lubricant that ends up directly in the environment is due to general public discharging it onto the ground, into drains and directly into landfills as trash.

Unfortunately the worldwide Great Depression of the time, triggered by the Wall Street Crash of 1929, meant that most of the plans remained on the drawing board.

Unfortunately, however, with the advent of artificial island development, most of their habitat is destroyed, or occupied by man-made structures.

Unfortunately, ambitious and uncalculated construction schemes, political unrest and an ever present international conflict, and presence of the most lucrative world supply of oil, along with lack of cooperation between Arab states and Iran, has had a negative impact on the survival of many marine species, including dugongs.

Unfortunately the superconducting properties of most materials break down as current increases, at a level known as the critical current.

Unfortunately, most long-distance communication channels cannot transport a DC component.

Unfortunately, the pressure also subtly degrades the image in the plate, smoothing the roughened areas and closing the lines ; a copper plate is good for, at most, a few hundred printings of a strongly etched imaged before the degradation is considered too great by the artist.

Unfortunately, the once-promising plan was for the most part a disappointment.

Unfortunately, high excursion, at high power levels, tends to produce more distortion from inherent mechanical and magnetic effects in electro-dynamic drivers ( the most common sort ).

Unfortunately programs could not switch directly between them, so eventually, some new memory-model APIs were developed, VCPI and DPMI, the latter becoming the most popular.

Unfortunately, most of the writings of the Báb have been lost.

Unfortunately, many patients, not realizing the need for dental treatment, do not see a dentist until most of their teeth are beyond the point of restoration.

Unfortunately, the fact that a character was stored in a byte led to the two terms being used interchangeably in most documentation.

Unfortunately, most of his officers and soldiers were tired of the delaying tactics and demanded another attempt at an open battle.

Early administration of anthelmintics, such as mebendazole or albendazole, decreases the likelihood of larval encystation, particularly if given within three days of infection Unfortunately, most cases are diagnosed after this time.

Unfortunately, he has never learned how to make hooks with a barb, and so most of his fish escape.

Unfortunately all marks, for the most part were gone and he had to lay the whole town markings out again.

Unfortunately, in the early morning hours of November 3, 1908, a fire swept throughout Savannah and destroyed most of the village.

Unfortunately, since it is indeed a small town with limited infrastructure, the city has lost most of its business to Walla Walla, Washington just to the north.

Unfortunately, years later a fire burned most of this building down.

Unfortunately, Groom's vision of the finest and most desirable cattle ranch in the United States did not materialize for him.

Unfortunately, none of the actual works survive.

Unfortunately, starting a regular pattern, Ellington's longer works were generally not well received.

Unfortunately, none of the names of the artists have survived, so modern scholars have been obliged to give the recognizable artistic hands and workshops nicknames based on the subject matter of their works, museums which possess the works, or individuals who have distinguished the works from others.

Unfortunately, a large number of Bashkirtseff's works were destroyed by the Nazis during World War II.

Unfortunately, production problems were experienced at the works from an early stage, and together with the effects of the Great Depression, caused the cessation of business in 1930.

Unfortunately for western practitioners, there are currently no known English translations of these works.

Unfortunately these works are mostly lost.

Unfortunately, the protracted composition of several works robbed Balakirev of the credit for their inventiveness.

Unfortunately, falling prices for sugar forced many small sugar works to merge.

Unfortunately the works of the latter two have been lost to history.

Unfortunately for the town, both of the works have been closed.

Unfortunately, de Kooning's last works have not been afforded the amount of critical commentary or substantial serious assessment that his earlier works received.

Unfortunately the book, which was called On Tangencies, is not among his surviving works.

Unfortunately, it works against Hare because the school bullies get jealous of the new friendship he's formed with Rita, and they end up bullying him.

Unfortunately, he now has no money to pay for the horse's feed, and he and Tony ( Chico Marx ), who works for the sanitarium, and Stuffy ( Harpo Marx ), Hi-Hat's jockey, have to resort to trickery to fend off the Sheriff ( Robert Middlemass ).

Unfortunately the bill lapsed with no action as the government and local councils were unwilling to fund the works.

Unfortunately, plans for the second OVA, Kimura vs Mashiba, are not in the works.

Unfortunately, during his career, several of his works have suffered from a decrease of popularity that led them to be cancelled by his publisher, and some have failed to capture an audience.

Veith ( 1966: 3 ) notes that, " Unfortunately, Hua T ' o's works were destroyed ; his surgical practices fell into disuse, with the exception of his method of castration, which continued to be practiced.

Unfortunately as of December 2008 there is no visualisation tool that works with the newer CPDN models.

Unfortunately, the author did not benefit from his play's success: not long after he finished writing it, Zorrilla sold the rights to the play, since he did not expect it to be much more successful than any of his other works.