Measurement of capillary basement membrane thickness by magnification on a rear opaque projection screen.
D001485:Basement Membrane / Q000648:ultrastructure*; D001706:Biopsy; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008843:Microfilming; D008854:Microscopy, Electron / Q000379:methods; D009132:Muscles / Q000648:ultrastructure*; D011858:Radiographic Magnification