Comelec Commissioner Rowena Guanzon (File photo) MANILA - An official of the Commission on Elections (Comelec) on Monday said she will require the camp of presidential aspirant Ferdinand "Bongbong" Marcos Jr. to present his notarized medical certificate following his failure to attend a preliminary conference of the disqualification cases filed against him last week. First Division presiding Commissioner Rowena Guanzon said she would order Dr. Benedict Francis Valdecanas, Marcos' attending physician, to submit a notarized medical certificate that was read by the respondent's lawyer during the January 7 preliminary conference. "Now I have to require the doctor who examined Marcos Jr to have his medical certificate notarized and indicate his medical license number," she posted on her Twitter account, @rowena guanzon Monday. Based on the medical certificate, the physician said Marcos had a temperature of 37.8 degrees Celsius, and his throat was hyperemic and sw