More Vocal Fry URLs

1. https://www.washingtonpost.com/news/morning-mix/wp/2014/06/02/study-women-with-creaky-voices-also-known-as-vocal-fry-deemed-less-hireable/

2. http://www.jvoice.org/article/S0892-1997(11)00070-1/fulltext#abstract

3. http://thehairpin.com/2015/07/male-vocal-fry-is-real-now-because-women-are-linguistic-innovators/

4. http://nymag.com/scienceofus/2014/05/women-get-punished-more-than-men-for.html

5. http://www.eurekalert.org/pub_releases/2014-05/uom-vfh052714.php