DEOXYRIBONUCLEIC ACID RELATIONSHIPS BETWEEN DIFFERENT SEROVARS OF <i>MYCOBACTERIUM AVIUM, MYCOBACTERIUM INTRACELLULARE</i> AND <i>MYCOBACTERIUM SCROFULACEUM</i>
M. avium and M.intracellulare are difficult to distinguish by means of biochemical tests and by means of numerical taxonomy. DNA‐DNA hybridization confirms that these species ar...