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
                )

        )

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            [credentials] => Array
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        )

)
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
                )

        )

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        (
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            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => FreeToRead
            [privilege] => Array
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                        (
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                            [type] => toll-free-key
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                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;95c28f75b1f258de5d74acdb176ee009fadf2a3e
                )

        )

)
PT  - JOURNAL ARTICLE
AU  - Roubin,  Gary S.
TI  - Dear Editor-in-Chief:
DP  - 1999 Jul 01
TA  - American Journal of Neuroradiology
PG  - 1378--1381
VI  - 20
IP  - 7
4099  - http://www.ajnr.org/content/20/7/1378.short
4100  - http://www.ajnr.org/content/20/7/1378.full
SO  - Am. J. Neuroradiol.1999 Jul 01; 20