Al-Azzam SI, Alzoubi KH, Mhaidat NM, Haddadin RD, Masadeh MM, Tumah HN, Magableh A, Maraqa NK (2012) Preoperative antibiotic prophylaxis practice and guideline adherence in Jordan: a multi-centre study in Jordanian hospitals. J Infect Dev Ctries 6:715–720. doi: 10.3855/jidc.1676