Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) JONATHAN W. K.,Donor site complications of hard palate mucosal grafting,Ophth. Plast. Reconstr. Surg.,,,1997,13,,36-39,https://cir.nii.ac.jp/crid/1570291225252184704,https://doi.org/10.1097/00002341-199703000-00007