The pathogenesis of Plummer-Vinson syndrome (PVS) remains speculative, and the existence of the syndrome has been challenged. The prevalent iron deficiency theory remains controversial. Older reports have implicated iron deficiency in the pathogenesis of esophageal webs and dysphagia in predisposed individuals.
August 3-5, 2017 - Experience small-town America for free at the Vinland Fair! The fair is a yearly tradition in small-town Vinland, Kansas, this year from August 3-5.
Vinca Mid-March 10 to 15 days 65 to 68 degrees F 14 to 15 weeks Grow in warm temperatures. Zinnia Mid-April 5 to 7 days 60 degrees F 8 to 9 weeks Direct seed into final container. 1Approximate seeding date listed is for mid-Missouri (Zone 5). In the Bootheel area (Zones 6/7), sow one to two weeks earlier.