Semi-Occluded Straw Follow Up
Weekly Teaching Tip – October 29, 2012 Question: This semi-occluded straw technique is what Rocio Guitard told us about during her online seminar, but she…
Weekly Teaching Tip – October 29, 2012 Question: This semi-occluded straw technique is what Rocio Guitard told us about during her online seminar, but she…