1naresh2naresh<pre>Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

    [eed1f8e5-22f3-4730-b323-3ba369da17a4] => Array
        (
            [runtime-id] => eed1f8e5-22f3-4730-b323-3ba369da17a4
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [f890276f-12a1-45be-8805-eca63e7319a2] => Array
                        (
                            [runtime-id] => f890276f-12a1-45be-8805-eca63e7319a2
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;10f534f43f327e790ad3ecbf10aa57a0859d3e4c
                )

        )

)
1naresh2naresh<pre>Array
(
    [urn:ac.highwire.org:guest:identity] => Array
        (
            [runtime-id] => urn:ac.highwire.org:guest:identity
            [type] => guest
            [service-id] => ajnr-ac.highwire.org
            [access-type] => FreeToRead
            [privilege] => Array
                (
                    [urn:ac.highwire.org:guest:privilege] => Array
                        (
                            [runtime-id] => urn:ac.highwire.org:guest:privilege
                            [type] => privilege-set
                            [privilege-set] => GUEST
                        )

                )

            [credentials] => Array
                (
                    [method] => guest
                )

        )

    [5b0c5309-6cbf-4691-bee8-318eaceb3b40] => Array
        (
            [runtime-id] => 5b0c5309-6cbf-4691-bee8-318eaceb3b40
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => FreeToRead
            [privilege] => Array
                (
                    [15a7b946-4a24-455b-93d2-8339d5e994d9] => Array
                        (
                            [runtime-id] => 15a7b946-4a24-455b-93d2-8339d5e994d9
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;10f534f43f327e790ad3ecbf10aa57a0859d3e4c
                )

        )

)
RT Journal Article
SR Electronic
T1 PET and PET/CT: A Clinical Guide, 2nd ed.
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
DO 10.3174/ajnr.A1720
YR 2009
UL http://www.ajnr.org/content/early/2009/06/18/ajnr.A1720.abstract
AB