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. Author manuscript; available in PMC: 2019 Mar 11.
Published in final edited form as: Rev Recent Clin Trials. 2015;10(3):212–222. doi: 10.2174/1574887110666150730121429

Fig. (1).

Fig. (1).

Specimens collected from PLCO participants. Listed in the figure and table are the maximum number of samples and volumes per participant. Blood specimens were only collected from screening arm participants. *Buccal cell samples were only collected from control arm participants.

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