P. J. D. de Villiers

Sputum induction for microbiological diagnosis of childhood pulmonary tuberculosis in a community setting.

H. Zar, P. D. de Villiers, P. Apolles, 2011, The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease.

Efficacy and safety of a live attenuated influenza vaccine in adults 60 years of age and older.

W. Gruber, B. Forrest, R. Rappaport, 2009, Vaccine.

Safety and immunogenicity of 13-valent pneumococcal conjugate vaccine formulations with and without aluminum phosphate and comparison of the formulation of choice with 23-valent pneumococcal polysaccharide vaccine in elderly adults

E. Emini, K. Jansen, W. Gruber, 2014, Human vaccines & immunotherapeutics.

The current status and future needs of education and training in Family Medicine and Primary Care in South Africa

M. D. de Villiers, P. De Villiers, P. J. D. de Villiers, 1999, Medical education.