[tag=NNPS] [tag=□] □
[tag=NNPS] [tag=":"] □
[tag=NNPS] [tag=NNPS] □
Testimony was heard from Senator Rockefeller ; from the following officials of the Department of Veterans Affairs : Al Zamberlan , Director , Central Region , Veterans Health Administration ; and Directors of Medical Centers ; representatives of veterans organizations ; and public witnesses .