Pio 's stigmata persisted for over fifty years .
Pio was examined by numerous physicians in the 20th century , who confirmed the existence of the wounds , but none of whom could produce a medical explanation for the fact that Pio 's bleeding wounds would never get infected .
Pio 's stigmata persisted for over fifty years and he was examined by numerous physicians in the 20th century , who confirmed the existence of the wounds , but none of whom could produce a medical explanation for the fact that his bleeding wounds would never get infected .