Thousands of German doctors at 23 university hospitals across the country are expected to go out on strike on Tuesday as part of a collective bargaining dispute over wages and working hours. Urgent patient care is not expected to be disrupted by the strike, as hospital managers are obliged to secure emergency staffing, but clinic services may be disrupted, according to the Marburger Bund trade union, which represents the doctors. Several thousand doctors are expected to rally in Hanover on Tuesday afternoon to demand wage increases and restrictions on rotating shifts. Hospital leaders and the …