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Dr. Petson D. Chan is an occasional guest writer for KamWo Herbal Pharmacy on Chinese Medicine related topics. Feel free to explore the various articles below.

KamWo Herbal Pharmacy Articles:
October 2014: Treating Constipation With Chinese Herbal Medicine

In addition to being a guest writer for KamWo Herbal Pharmacy, Dr. Chan also wrote a children’s book that was illustrated by his niece and was published in December 2012.

The children’s book was titled “Larry and His Boo Bear” and is available through Amazon’s website.