1. Evaluation of a microemulsion-based gel formulation for topical drug delivery of diclofenac sodium, Braa HajjarKira-Isabel ZierNayab KhalidShirzad Azarmi, Raimar Löbenberg, Journal of Pharmaceutical Investigation volume 48, 351–362 (2018). Link to article

2. Determination of efficacy and toxicity of diclofenac microemulsion formulation for musculoskeletal pain: an observational study, Hoan Linh Banh, Andrew Cave, BMC Research Notes volume 13, 285 (2020). Link to article

 
3. In Vitro Evaluation of a Foamable Microemulsion Towards an Improved Topical Delivery of Diclofenac Sodium, Braa HajjarJieyu ZuoChulhun ParkShirzad AzarmiDaniela Amaral Silva, Nádia Araci Bou-Chacra, Raimar Löbenberg, AAPS PharmSciTech volume 23, Article No:102 (2022). Link to article