Which of the following specimens will not be accepted by the laboratory and must be re-collected? (choose all that apply)
a. a specimen without a label that the person who collected it can identify
b. a specimen with its label upside down
c. a specimen with a computer label for "John Smith" affixed over handwriting on the tube that reads "Jonathan Smith"
d. a specimen that a handwritten label for "Mary Jones" but is not yet labeled with the computer label for "Mary Jones"