def parse_qualifiers(gb_feature):
    """Parse the GBFeature_quals block of the GBFeature entry and create a
       dictionary of qualifiers using the GBQualifier_name as a key.
    Args:
        gb_feature: Reference to GBFeature block from Entrez XML
    Kargs:
        None
    Raises:
        None
    """
    qualifiers = {}
    #print "*******GBQualifier: {}\n".format(gb_feature['GBFeature_quals'])
    for qual in gb_feature['GBFeature_quals']:
        if qual['GBQualifier_name'] not in qualifiers:
            qualifiers[qual['GBQualifier_name']] = []
        qualifiers[qual['GBQualifier_name']].append(qual['GBQualifier_value'])
    return qualifiers