TY  - BOOK
AU  - Dyck, E. Van
TI  - Laboratory diagnosis of sexually transmitted diseases 
SN  - 978 92 415 4501 3
U1  - 616 9510756 DYC 
PY  - 1999///
CY  - Geneva 
PB  -  WHO
KW  - SEXUALLY TRANSMITTED DISEASES
ER  -