1naresh<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
                )

        )

)
1naresh<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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        )

)
PT  - JOURNAL ARTICLE
AU  - Babikian, V L
AU  - Kase, C
TI  - Leukoencephalopathy in normal and pathologic aging.
DP  - 1987 Jul 01
TA  - American Journal of Neuroradiology
PG  - 734--734
VI  - 8
IP  - 4
4099  - http://www.ajnr.org/content/8/4/734.1.short
4100  - http://www.ajnr.org/content/8/4/734.1.full
SO  - Am. J. Neuroradiol.1987 Jul 01; 8