Shuichi Tsubura, and Ayano Suzuki. “Case Report Using 4% Fucoidan Cream for Recurrent Oral Herpes Labialis: Patient Symptoms Markedly Improved in Terms of Time to Healing and Time to Loss of Discomfort”. Dentistry, vol. 5, no. 1, Dec. 2017, pp. 6-10, https://openventio.us/index.php/DOJ/article/view/1491.