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
                )

        )

    [7c9fed20-afbf-4f35-b092-49f32745c174] => Array
        (
            [runtime-id] => 7c9fed20-afbf-4f35-b092-49f32745c174
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => Controlled
            [privilege] => Array
                (
                    [64532973-5609-47ec-979e-0450e027685a] => Array
                        (
                            [runtime-id] => 64532973-5609-47ec-979e-0450e027685a
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;c971cbc23d88598db60ed1d6c6b2aea70d4a63f1
                )

        )

)
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
                )

        )

    [cabed41d-63be-4788-918e-616563972b8a] => Array
        (
            [runtime-id] => cabed41d-63be-4788-918e-616563972b8a
            [type] => toll-free-key
            [service-id] => ajnr-ac.highwire.org
            [access-type] => FreeToRead
            [privilege] => Array
                (
                    [977dc47f-8c50-4d0f-b52f-6baa5a016cc8] => Array
                        (
                            [runtime-id] => 977dc47f-8c50-4d0f-b52f-6baa5a016cc8
                            [type] => toll-free-key
                        )

                )

            [credentials] => Array
                (
                    [method] => toll-free-key
                    [value] => tf_ipsecsha;c971cbc23d88598db60ed1d6c6b2aea70d4a63f1
                )

        )

)
PT  - JOURNAL ARTICLE
AU  - Norfray, J F
AU  - Taveras, J M
TI  - Gradient echoes: simplified.
DP  - 1989 Jan 01
TA  - American Journal of Neuroradiology
PG  - 209--210
VI  - 10
IP  - 1
4099  - http://www.ajnr.org/content/10/1/209.short
4100  - http://www.ajnr.org/content/10/1/209.full
SO  - Am. J. Neuroradiol.1989 Jan 01; 10