-
Loading metrics
The Perils of Straying from Protocol: Sampling Bias and Interviewer Effects
- Carrie J. Ngongo,
- Kevin D. Frick,
- Allen W. Hightower,
- Florence Alice Mathingau,
- Heather Burke,
- Robert F. Breiman
x
- Published: February 18, 2015
- https://doi.org/10.1371/journal.pone.0118025