BONE-marrow cells from the majority of patients with chronic myelocytic leukemia have a specific and characteristic aberration of chromosome 22, called the Philadelphia (Ph1) chromosome.1 This abnormality, which may be ...

Fourteen patients with clinically obvious gastro-oesophageal reflux were examined by conventional barium meal radiology. Neither exogenous penta-gastrin nor cholecystokinin appeared to influence the radiological competence ...