Enlace original:
https://apps.who.int/iris/handle/10665/61326
Kessel, R. P. M. van
,
Lelijveld, J. L. M
,
World Health Organization. Malaria Control Unit
,
[Compliance with preventive measures against malaria by visitors to the vaccination centre of the Utrecht Municipal Health Service / R. P. M. van Kessel and J. L. M. Lelijveld]