Mucin mucin Mucin mucin mucin Mucin http://en.wikipedia.org/wiki/Mucin mucin Mucin mucin Mucin the mucins mucins mucins mucin English mucin proteins mucin mucin mucins mucin mucin mucin English mucin mucin Mucin Mucin mucins mucin Mucin Mucin mucin mucīns mucin-like mucin mucin mucin English mucin Mucin Mucin mucin proteins. mucin English English mucin L mucin mucin mucin English Mucin MUC12 mucin mucin mucins Mucin mucin English mucins English mucins