[On unstable bundle branch blocks. Clinico-electrocardiographic contribution].
D000368:Aged; D002037:Bundle-Branch Block / Q000175:diagnosis*; D002965:Classification; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged
Sui blocchi di branca instabili. Contributo clinico-elettrocardiografico.