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Results 1 - 3 of 3 for Absent ray
  1. Heart Valve Diseases (National Library of Medicine)  
    What are heart valve diseases? Heart valve disease happens when one or more of your heart valves don't work well. Your heart has four valves: the tricuspid, ...
    https://medlineplus.gov/heartvalvediseases.html - Health Topics
  2. Tooth Disorders (National Library of Medicine)  
    What are teeth? Your teeth are made of a hard, bonelike material. There are four parts: Enamel, your tooth's hard surface Dentin, the hard yellow part ...
    https://medlineplus.gov/toothdisorders.html - Health Topics
  3. Congenital Heart Defects (National Library of Medicine)  
    What are congenital heart defects? Congenital heart defects (CHDs) are problems with the structure of the heart. "Congenital" means that that the problems ...
    https://medlineplus.gov/congenitalheartdefects.html - Health Topics