"however" is a valid word in the English language and is often used in written English to indicate a contrast or to provide an alternative viewpoint.
For example, "The weather was beautiful today, however, it is expected to rain tomorrow."
However reference data to define normal widening are poorly developed.
However, reference materials are unlikely to be supported globally.
However, reference pricing appears to have a positive effect on originator prices.
However, reference architecture (RA) design for data quality management in social media data has only been addressed recently [11].
However, reference values for polysomnography (PSG) and oxygen saturation (Spo2) of children < 2 years old residing at high altitude are currently unavailable.
However, reference publication years younger than 1990 require a different technical treatment because of the exponential increase of the number of publications and cited references.
The purple flash, however, referenced nothing, and was both pointless and hideous.
By contrast, however, references to melting starfish and their detached zombie limbs appeared everywhere from National Geographic to Fox News to the End Times Prophecy.
However, references to "marijuana-related" accidents in studies, by prohibitionists, and by law enforcement could refer to any measure or trace of the drug.
However, reference-free methods are better than these heuristic reference-based methods in the sense that they cancel nuisance parameters in a systematic way.
However, references that are known to the prospective employer can be extremely powerful.
