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| 1 | Conditions listed in this trial | ||||
| Laryngeal Cancer | |||||
| 2 | Additional conditions recognized in this trial | ||||
| Laryngeal Neoplasms | |||||
| 3 | More general conditions related to this trial | ||||
| Head and Neck Neoplasms | |||||
| Laryngeal Diseases | |||||
| Neoplasms | |||||
| Neoplasms by Site | |||||
| Otorhinolaryngologic Diseases | |||||
| Otorhinolaryngologic Neoplasms | |||||
| Respiratory Tract Diseases | |||||
| Respiratory Tract Neoplasms | |||||
| 4 | Interventions listed in this trial | ||||
| cefazolin | |||||
| 5 | More general drug interventions related to this trial | ||||
| Anti-Bacterial Agents | |||||
| Anti-Infective Agents | |||||
| Pharmacologic Actions | |||||
| Therapeutic Uses | |||||
| 6 | Sponsors listed in this trial | ||||
| Tehran University of Medical Sciences | |||||