Fig 4 -

Research status according to the cause of cough and EATM treatment in (a) children and (b) adults. Abbreviations. AHP, acupoint herbal patching; AT, acupuncture; BA, before-after study; CCT, non-randomized controlled clinical trial; CM, conventional medication; CR, case report; CS, case series; CVA, cough variant asthma; ex.HM, external application of herbal medicine; GERD, gastroesophageal reflux disease; HM, herbal medicine; Moxa, moxibustion; RCS, retrospective cohort study; RCT, randomized controlled clinical trial; UACS, upper airway cough syndrome.