Whakakotahitia ngā meka, ka whakautu i tēnei: Ko Roger O. Egeberg te Kaiawhina o te Hekeretari mo te Hauora me ngā Take Pūtaiao i te wā o te whakahaere a tētahi tumuaki i mahi i ngā tau e hia?
1969 tae noa ki te 1974