@article {English37, author = {Peter M B English and Angie C Titchen}, title = {Double-blind, randomized controlled trial}, volume = {42}, number = {354}, pages = {37--38}, year = {1992}, publisher = {Royal College of General Practitioners}, issn = {0960-1643}, URL = {https://bjgp.org/content/42/354/37.2}, eprint = {https://bjgp.org/content/42/354/37.2.full.pdf}, journal = {British Journal of General Practice} }