1 Feels thick and substantial in your hands, and is the best type of uncoated paper stock available for full-color printing. 2  Standard uses: we exclusively offer 70# Lustre for stationery, envelopes, and newsletters.
If increased effort is needed to fill the lungs, supraclavicular and infraclavicular retraction may be seen. In infants, sternal retraction occurs with only a slight increase in respiratory effort, the result of the pliability of their chests. Compare intercostal bulging.
Laryngomalacia is a common cause of a rapid, low-pitched form of stridor that may be heard when a baby inhales. This harmless condition does not require medical attention. It usually disappears by the time the child is 18 months old. The most common causes of stridor in adults are: