TY - RPRT TI - Electronic flash unit for endoscopy with autodynamic controlled flash energy for automatic exposure of endophotos. A new method. AU - E Müller-Hermann AU - P Pedersen PY - 1980 DO - 10.1007/bf02565516 UR - https://pubmed.ncbi.nlm.nih.gov/7469940/ ID - 7469940 ER -