Biological Sciences and Healthcare, part 2

... > procedure > Procedure by site > Procedure on body region (procedure) > Procedure on head AND/OR neck > Procedure on head > Operative procedure on head > Operation on accessory sinus > Accessory sinus excision > Frontal sinusectomy > External frontoethmoidectomy > Howarth's operation

... > procedure > Procedure by method > Surgical procedure (procedure) > Operative procedure on head > Operation on accessory sinus > Accessory sinus excision > Frontal sinusectomy > External frontoethmoidectomy > Howarth's operation

... > procedure > Procedure by method > Removal Procedure > Surgical removal > Excision > Excision of head structure > Accessory sinus excision > Frontal sinusectomy > External frontoethmoidectomy > Howarth's operation

... > procedure > Procedure by method > Surgical procedure (procedure) > Surgical removal > Excision > Excision of head structure > Accessory sinus excision > Frontal sinusectomy > External frontoethmoidectomy > Howarth's operation

... > procedure > Procedure by site > Procedure on body region (procedure) > Procedure on head AND/OR neck > Procedure on head > Operative procedure on head > Excision of head structure > Accessory sinus excision > Frontal sinusectomy > External frontoethmoidectomy > Howarth's operation

... > procedure > Procedure by method > Surgical procedure (procedure) > Operative procedure on head > Excision of head structure > Accessory sinus excision > Frontal sinusectomy > External frontoethmoidectomy > Howarth's operation

... > procedure > Procedure by site > Procedure on body region (procedure) > Procedure on head AND/OR neck > Procedure on head > Operative procedure on head > Operation on accessory sinus > Operation on frontoethmoidal sinuses > Operations on frontal sinus > Frontal sinusectomy > External frontoethmoidectomy > Howarth's operation

... > procedure > Procedure by method > Surgical procedure (procedure) > Operative procedure on head > Operation on accessory sinus > Operation on frontoethmoidal sinuses > Operations on frontal sinus > Frontal sinusectomy > External frontoethmoidectomy > Howarth's operation