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
                )

        )

    [9a7ba7a0-7df6-45cd-a3b4-738fe6781c80] => Array
        (
            [runtime-id] => 9a7ba7a0-7df6-45cd-a3b4-738fe6781c80
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [cba679c2-66e0-469c-a30f-a2d31e3bd401] => Array
                        (
                            [runtime-id] => cba679c2-66e0-469c-a30f-a2d31e3bd401
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;13a0df6db6c9c7bec9b3999909e964f1823540db
                )

        )

)
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
                )

        )

    [e6e499e3-83b7-4ff7-9bdb-2dbc37517f11] => Array
        (
            [runtime-id] => e6e499e3-83b7-4ff7-9bdb-2dbc37517f11
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => FreeToRead
            [privilege] => Array
                (
                    [1109a5c0-2317-496f-a858-7631acfd01e3] => Array
                        (
                            [runtime-id] => 1109a5c0-2317-496f-a858-7631acfd01e3
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;13a0df6db6c9c7bec9b3999909e964f1823540db
                )

        )

)
PT  - JOURNAL ARTICLE
AU  - Hopyan, J.J.
AU  - Gladstone, D.J.
AU  - Mallia, G.
AU  - Schiff, J.
AU  - Fox, A.J.
AU  - Symons, S.P.
AU  - Buck, B.H.
AU  - Black, S.E.
AU  - Aviv, R.I.
TI  - Renal Safety of CT Angiography and Perfusion Imaging in the Emergency Evaluation of Acute Stroke
AID  - 10.3174/ajnr.A1257
DP  - 2008 Aug 21
TA  - American Journal of Neuroradiology
4099  - http://www.ajnr.org/content/early/2008/08/21/ajnr.A1257.short
4100  - http://www.ajnr.org/content/early/2008/08/21/ajnr.A1257.full