Function tests Function-tests » Letter H Alphabetical search A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9 Results for the letter H H2 breath test Lactose-H2 breath test, fructose-H2 breath test, sorbitol-H2 breath test, glucose-H2 breath test HCG stimulation test Helicobacter pylori -C13- breath test