2002
The international journal of tuberculosis and lung disease, (2002).6 4
2002
Tuberculosis (Edinburgh, Scotland), (2002).82 1
2002
Emerging infectious diseases, (2002).8 1
2002
Malawi Medical Journal, (2002).13 4
2002
Malawi Medical Journal, (2002).13 4
Efficacy of the BCG revaccination programme in hong kong - In reply.
2001
The international journal of tuberculosis and lung disease, (2001).5 12
2001
The American journal of tropical medicine and hygiene, (2001).65 6
2001
Lancet, (2001).358 9294
2001
The international journal of tuberculosis and lung disease, (2001).5 11
2001
The international journal of tuberculosis and lung disease, (2001).5 11