Auto immune hymolytic anemia is seen in________?

Philadelphia chromosome is consistently found in________?

In left ventricular cardiac failure there is________?

Some micro organisms produce a diffuse spreading inflammatory reaction due to the elaboration of________?

A 13 year old boy presents with a large mixed lytic and blastic mass in the metaphyseal region of the lower end of femur. The most likely diagnosis is________?

Schilling test is performed to find out________?