Utami, N. P., D. Fauziah, and M. Yusuf. “Pattern of Perioperative Antibiotic Use in Otorhinolaryngology-Head and Neck Surgery at Third Referral Hospital In Surabaya”. Biomolecular and Health Science Journal, vol. 3, no. 1, June 2020, pp. 5-10, doi:10.20473/bhsj.v3i1.19196.