[Is it necessary to add a fourth drug to the initial treatment of tuberculosis?].
Torres
L
L
Pérez
J B
JB
Lezcano
M A
MA
Revillo
M J
MJ
D000995:Antitubercular Agents / Q000008:administration & dosage*; D006801:Humans; D013030:Spain; D018088:Tuberculosis, Multidrug-Resistant / Q000188:drug therapy*
D000995:Antitubercular Agents