[1] Dept. of Medical Intensive Care,
[2] Antoine Béclère Hospital,undefined
[3] 157 Rue de la Porte de Trivaux,undefined
[4] F-92140 Clamart,undefined
[5] France; Phone: (+33/14) 5374957,undefined
[6] Fax: -6312277; e-mail: bruno-megarbane@wanadoo.fr,undefined