1. Conjoined twins;Votteler,1986
2. Surgical experience with thirteen conjoined twins;O'Neill;Ann Surg,1988
3. Cardiovascular evaluation of conjoin twins;Leachman;Birth Defects,1967
4. Assessment of cardiovascular system in conjoined thoracopagus twins;Izukawa;Am J Dis Child,1978
5. Angiographic evaluation of conjoined twins;Rossi;Ann Radiol (Paris),1971