Tedeschi G G, Sprovieri G, Del Prete P
Experientia. 1978 May 15;34(5):596-8. doi: 10.1007/BF01936980.
The evolution of cocci and diphtheroids taking origin from cell-wall-deficient forms seems not to be related to a particular state of illness, but to be the consequence of a generalized crypto-infection.