Public Health Service Cooperative Investigation: Prevalence of drug resistance in previously untreated patients. Am. Rev. Resp. Dis.89: 327, March 1964.
2.
Hobby, Gladys L., Peggy M. Johnson, Tulita F. Lenert, Lorraine Crawford-Gagliardi, Lynn Greetham, Theresa Ivaska, Ausma Lapin, Joyce Maier, Patricia O'Malley and Carol Trembley: A continuing study of primary drug resistance in tuberculosis in a veteran population within the United States. I. Am. Rev. Resp. Dis.89: 337, March 1964.
3.
Chaves, Aaron D.: Editorial: Primary drug resistance in tuberculosis in the United States. Am. Rev. Resp. Dis.89: 350, March 1964.
