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2. A thermoplastic structural and alignment system for below knee prostheses;Lehneis;Orthot. Prosther,1974
3. Development of a thermoplastic below-knee prosthesis with quick-disconnect feature;Pritham;Orthot. Prosthet,1974
4. Use of thermoplastic components in temporary prostheses: a progress report;Pritham;Orthot. Prosthet,1976
5. Fabrication of a below-knee prosthesis especially suitable in tropical countries;Wollstein;prosthet. Int,1972