https://books.google.com/books?id=-9pfwFpdtGwC&pg=PA436&dq=These bubbles produced gross flatulence in the lower bowel, resulting in a not-so-subtle and pervasive aroma which reminds me of a mixture of wet dog and marsh gas&hl=en&sa=X&ved=0ahUKEwifxo-E4KbjAhXhlOAKHQqrCmUQ6AEIKjAA#v=onepage&q=These bubbles produced gross flatulence in the lower bowel, resulting in a not-so-subtle and pervasive aroma which reminds me of a mixture of wet dog and marsh gas&f=false