Submitted on: 26 October 2005.
Revised on: 14 December 2005.
Accepted on: 04 February 2006.
___________________Hispanic Health Care International
Submitted on: 10 December 1999.
Revised on: 23 February 2000.
Accepted on: 08 March 2000.
___________________Hispanic Health Care International
Submitted on: 09 January 2024.
Revised on: 18 February 2024.
Accepted on: 06 March 2024.
___________________Hispanic Health Care International
Submitted on: 04 June 1998.
Revised on: 11 September 1998.
Accepted on: 13 October 1998.
___________________Hispanic Health Care International
http://reply.papertrans.cn/2/114/11313/11313-25.png
Submitted on: 14 December 2004.
Revised on: 19 February 2005.
Accepted on: 03 April 2005.
___________________Hispanic Health Care International
http://reply.papertrans.cn/2/114/11313/11313-27.png
http://reply.papertrans.cn/2/114/11313/11313-28.png
http://reply.papertrans.cn/2/114/11313/11313-29.png
http://reply.papertrans.cn/2/114/11313/11313-30.png