Layton D, Sinclair HK, Bond CM, Hannaford PC, Shakir SA. Pharmacovigilance of over-the-counter products based in community pharmacy: methodological issues from pilot work conducted in Hampshire and Grampian, UK. Pharmacoepidemiol Drug Saf. 2002 Sep;11(6):503–13. doi: 10.1002/pds.734. PMID: 12426936.
Pharmacovigilance of over‐the‐counter products based in community pharmacy: methodological issues from pilot work conducted in Hampshire and Grampian, UK