The link worked.
He was rejected by the army because of the state of his teeth and dyspepsia (indigestion) which could have been due to the state of his teeth. He couldn't read, that may or may not have been a reason to reject him.
Looks like he was OK at first but perhaps they weren't aware of the state of his teeth. He couldn't be an efficient soldier with his teeth and the indigestion so failed the second medical and was released.
