21:15 duration 21 minutes 15 seconds
Fletcher - White Blood Cell Abnormalities
31:27 duration 31 minutes 27 seconds
Hartig - Introduction to Squamous Cell Carcinoma…
Hartig - Introduction to Squamous Cell Carcinoma of the Head and Neck
39:56 duration 39 minutes 56 seconds
Hartig - Evaluation of Neck Mass