00496nam a2200109Ia 4500 180412s9999||||xx |||||||||||||| ||und|| 723409781 O'CALLAGHAN, Christopher Paediatric radiology Christopher O'Callaghan London. Wolfe 1989 189p Education, training, study, teaching. Curricula, examinations. Fellowships and scholarships.;Natural science;Nuclear Science;Physics of radiations and radioactive substances in general.;Radiology and Atomic Energy 1617 1617