Bibliography (7):

1. 1993-widdowson.pdf#page=7

2. 1940-crandon.pdf#page=5

3. 1940-crandon.pdf#page=6

4. 1940-crandon.pdf#page=9

5. 1940-crandon.pdf#page=10

6. Wikipedia Bibliography:

   1. https://en.wikipedia.org/wiki/Vitamin_C  :

      https://en.wikipedia.org/wiki/Vitamin_C

   2. https://en.wikipedia.org/wiki/Scurvy  :

      https://en.wikipedia.org/wiki/Scurvy