Stalk
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L. Yang and H. W. Huang. A rhombohedral phase of lipid containing a membrane fusion intermediate structure. Biophys. J. 84, 1808-1817 (2003)
L. Yang, L. Ding and H. W. Huang, “New Phases of Phospholipids and Implications to the membrane fusion problem”, Biochemistry 42: 6631-6635(2003)