The effect of age and the duration of diabetes mellitus on the width of the basement membrane of small vessels.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000539:Alveolar Process / Q000098:blood supply; D001485:Basement Membrane / Q000473:pathology*; D001706:Biopsy; D002196:Capillaries / Q000473:pathology*; D002648:Child; D003920:Diabetes Mellitus / Q000473:pathology*; D005881:Gingiva / Q000098:blood supply; D006801:Humans; D010519:Periodontium / Q000098:blood supply*; D013997:Time Factors