[1] Department of Pediatrics,
[2] Duke University Medical Center,undefined
[3] Box 3624,undefined
[4] Durham,undefined
[5] NC 27710,undefined
[6] USA Tel. 919-684-8722; Fax 919-684-9818; E-mail fried003@duke.mc.edu,undefined
[7] Department of Pharmacology,undefined
[8] Duke University Medical Center,undefined
[9] Durham,undefined
[10] NC 27710,undefined
[11] USA,undefined
[12] Department of Medicine,undefined
[13] Duke University Medical Center,undefined
[14] Durham,undefined
[15] NC 27710,undefined
[16] USA,undefined
[17] Department of Pathology,undefined
[18] Duke University Medical Center,undefined
[19] Durham,undefined
[20] NC 27710,undefined
[21] USA,undefined
[22] Department of Experimental Pediatrics,undefined
[23] University of Texas,undefined
[24] MD Anderson Cancer Center,undefined
[25] Houston,undefined
[26] TX 77030,undefined
[27] USA,undefined
[28] Department of Biochemistry,undefined
[29] Medical College of Wisconsin,undefined
[30] Milwaukee,undefined
[31] WI 53226,undefined
[32] USA,undefined