Doctors and nurses at a national medical center in Osaka can work up to 300 hours of overtime per month under a union-management agreement, official data obtained by a lawyer showed Thursday.The overtime cap is three times the 100 hours per month the government deems as risking death from overwork, a phenomenon commonly known in Japan by the term "karoshi."Employers and labor unions are required to conclude an agreement on overtime hours if employees work more than eight hours a day or 40 hours a week.Although the Health, Labor and Welfare Ministry recommends employers cap maximum overtime …READ FULL ARTICLE