respiratory disorder characterized by wheezing; usually of allergic origin

respiratory disorder characterized by wheezing; usually of allergic origin

respiratory disorder characterized by wheezing; usually of allergic origin

respiratory disorder characterized by wheezing; usually of allergic origin

respiratory disorder characterized by wheezing; usually of allergic origin

breathing in which most of the respiratory effort is done by the abdominal muscles

breathing in which most of the respiratory effort is done by the abdominal muscles

breathing in which most of the respiratory effort is done by the abdominal muscles

breathing in which most of the respiratory effort is done by the abdominal muscles

breathing in which most of the respiratory effort is done by the abdominal muscles