Direct Chemical Synthesis of the β-Mannans: Linear and Block Syntheses of the Alternating β-(1→3)-β-(1→4)-Mannan Common to <i>Rhodotorula </i><i>glutinis</i>, <i>Rhodotorula </i><i>mucilaginosa</i>, and <i>Leptospira </i><i>biflexa</i>David Crich, Hongmei Li, Wenju Li|Journal of the American Chemical Society|2004Cited by 101