Aphthous stomatitis caused by a reduction in numbers of CD4+ T cells may be implicated in RAS-type ulceration in HIV infection. The thickness of the mucosa may be an important factor in aphthous stomatitis. Usually, ulcers form on the thinner, non-keratinizing mucosal surfaces in the mouth. Factors which decrease the thickness of the mucosa increase the frequency of occurrence, and factors which increase the thickness of the mucosa correlate with decreased ulceration. The nutritional deficiencies associated with aphthous stomatitis (Vitamin B12, folate, and iron) can all cause a decrease in the thickness of the oral mucosa (atrophy). Local trauma is also associated
Sound Affects 1980. In the U.S., the album spent 11 weeks on the "Billboard 200" album charts and reached its peak position of No. 72 in February 1981. The 2010 rerelease also charted in the UK, reaching No. 63 in November of that year. "Sound Affects" was re-issued on 8 November 2010 as a 2 CD Deluxe Edition to celebrate its 30th Anniversary. All songs by Paul Weller except where stated Note ♠ – Tracks previously unreleased Sound Affects Sound Affects is the fifth studio album by British rock band the Jam. The cover art is a pastiche of the artwork used