Effects of shook swarm and supplementary feeding on oxytetracycline levels in honey extracted from treated colonies Helen M. Thompson, Ruth J. Waite, Selwyn Wilkins, Michael A. Brown, Tim Bigwood, Marvin Shaw, Christopher Ridgway and Matthew SharmanApidologie, 37 1 (2006) 51-57DOI: https://doi.org/10.1051/apido:2005058