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Figure 4. From: Persistence Pays Off: Follow-Up Methods for Difficult-to-Track Longitudinal Samples .
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Figure 1. From: Persistence Pays Off: Follow-Up Methods for Difficult-to-Track Longitudinal Samples .
Figure 2. From: Persistence Pays Off: Follow-Up Methods for Difficult-to-Track Longitudinal Samples .
Figure 3. From: Persistence Pays Off: Follow-Up Methods for Difficult-to-Track Longitudinal Samples .
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