Permanent incapacity of President or Vice-President
Section 144(4)(b) · 1999 Constitution (2004 edition)
What Constitution says
(b) four other medical practitioners who have, in the opinion of the President of the Senate, attained a high degree of eminence in the field of medicine relative to the nature of the examination to be conducted in accordance with the foregoing provisions.
This is the 1999 Constitution as published in 2004. Later amendments aren't included yet, so a section may have changed since.
Original source
Official Gazette · CFRN 1999 official PDF · printed page 72–73. Original document
Release: draft-c8d50d87fae9. Source scope, review and corrections