He wasn't a hardworking student
Was he a hardworking student?
He didn't learn a lot from respected professors
Did he learn a lot from respected professors?
In 1950 he didn't go to Jacinto Arauz
Did he go to Jacinto Arauz in 1950?
He didn't travel to Cleveland, USA
Did he travel to Cleveland, USA?
In his free time he didn't study and research into coronary arteries and their relation with the cardiac muscle.
Did he study or research into coronary arteries and their relation with the cardiac muscle in his free time?
