Original sentence: He campaigned for the use of gloves, mask and gown before touching patients and showed that chloroxylenol was an effective disinfectant and much superior to soap and water for hand cleansing.In 1943 he headed the Burns Unit at the Birmingham Accident Hospital placing the patients in a near sterile environment
Edited sentence: He campaigned for the use of gloves, mask, and gown before touching patients and showed that chloroxylenol was an effective disinfectant and much superior to soap and water for hand cleansing.In 1943 the Glasgow Royal Infirmary MRC Burns Unit which he headed moved to Birmingham Accident Hospital.where he established  the practice of placing the patients in a near sterile environment