HN |
77; HEPATITIS, VIRAL, NON-A, NON-B was heading 1980-91 (see under HEPATITIS, VIRAL, HUMAN 1980-90), was see HEPATITIS C 1992-93
|
Machine permutation |
77; HEPATITIS, VIRAL, NON-A, NON-B was heading 1980-91 (see under HEPATITIS, VIRAL, HUMAN 1980-90), was see HEPATITIS C 1992-93
|