Acta Medica Okayama 1994 Ultrastructural　locaization　of　extracellular　matrices　of　the　glomerular　basement　membrane　　第1編　Ultrastructural　localization　of　three　major　basement　membrane　components-field name="type"�W　collagen,　heparan　sulfate　proteoglycan　and　laminin　in　the　normal　human　GBM　　第2編　Ultrastructural　localization　of　the　three　major　basement　membrane　components-field name="type"�W　collagen,　heparan　sulfate　proteoglycan　and　laminin　-in　human　membranous　glomem-lonephritis EN No potential conflict of interest relevant to this article was reported.