Careers in ecstasy use: do ecstasy users cease of their own accord? Implications for intervention development

Por Peters, Gjalt-Jorn Ygram, Kok, Gerjo, Schaalma, Herman P
Publicado em 2008

Diagnosis of sustainable collaboration in health promotion – a case study

Por Leurs, Mariken TW, Mur-Veeman, Ingrid M, van der Sar, Rosalie, Schaalma, Herman P, de Vries, Nanne K
Publicado em 2008

The World Starts With Me: A multilevel evaluation of a comprehensive sex education programme targeting adolescents in Uganda

Por Rijsdijk, Liesbeth E, Bos, Arjan ER, Ruiter, Robert AC, Leerlooijer, Joanne N, de Haas, Billie, Schaalma, Herman P
Publicado em 2011