COMBINATION OF ETHIONAMIDE AND P-AMINOSALICYLIC ACID IN THE TREATMENT OF PULMONARY TUBERCULOSIS WITH GERMS RESISTANT TO ISONIAZID AND STREPTOMYCIN
ASOCIACI'ON ETIONIAMIDA Y 'ACIDO PARA-AMINOSALIC'ILICO EN EL TRATAMIENTO DE LA TUBERCULOSIS PULMONAR CON G'ERMENES RESISTENTES A LA ISONIAZIDA Y ESTREPTOMICINA