Submitted on: 25 November 2008.
Revised on: 06 February 2009.
Accepted on: 05 April 2009.
___________________Fukushima Journal of Medical Science
Submitted on: 20 August 2018.
Revised on: 19 October 2018.
Accepted on: 15 December 2018.
___________________Fukushima Journal of Medical Science
http://reply.papertrans.cn/2/103/10284/10284-23.png
http://reply.papertrans.cn/2/103/10284/10284-24.png
Submitted on: 10 March 2000.
Revised on: 17 June 2000.
Accepted on: 08 August 2000.
___________________Fukushima Journal of Medical Science
http://reply.papertrans.cn/2/103/10284/10284-26.png
Submitted on: 27 February 1998.
Revised on: 26 April 1998.
Accepted on: 11 June 1998.
___________________Fukushima Journal of Medical Science
http://reply.papertrans.cn/2/103/10284/10284-28.png
http://reply.papertrans.cn/2/103/10284/10284-29.png
Submitted on: 19 August 2009.
Revised on: 16 December 2009.
Accepted on: 27 January 2010.
___________________Fukushima Journal of Medical Science