Dr. Michael Marcus explains how a test for Pertussis, also known as whooping cough, can be affected by antibiotics use. Michael Marcus MD Pediatric Pulmonology and Allergy/Immunology Fellowship : Children's Hospital of Philadelphia
With "My Queue" you can quickly save videos to watch later.
To add an item to your queue just click the sign next to the video.
Once you've added a video visit "My Queue" to start watching!