http://reply.papertrans.cn/3/218/21708/21708-21.png
Submitted on: 24 November 2008.
Revised on: 02 January 2009.
Accepted on: 08 January 2009.
Medisur-Revista de Ciencias Medicas de Cienfuegos
http://reply.papertrans.cn/3/218/21708/21708-23.png
http://reply.papertrans.cn/3/218/21708/21708-24.png
Submitted on: 26 October 2007.
Revised on: 25 November 2007.
Accepted on: 11 December 2007.
Medisur-Revista de Ciencias Medicas de Cienfuegos
Submitted on: 23 December 2019.
Revised on: 01 February 2020.
Accepted on: 16 February 2020.
Medisur-Revista de Ciencias Medicas de Cienfuegos
Submitted on: 15 February 2014.
Revised on: 26 February 2014.
Accepted on: 13 March 2014.
Medisur-Revista de Ciencias Medicas de Cienfuegos
http://reply.papertrans.cn/3/218/21708/21708-28.png
Submitted on: 10 May 2018.
Revised on: 04 June 2018.
Accepted on: 29 June 2018.
Medisur-Revista de Ciencias Medicas de Cienfuegos
Submitted on: 01 October 2017.
Revised on: 18 October 2017.
Accepted on: 09 November 2017.
Medisur-Revista de Ciencias Medicas de Cienfuegos