Sexually transmitted infections prevalence study methodology
        Wedi'i Gadw mewn:
      
    
                  | Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr | 
| Cyhoeddwyd: | 
      Geneva,Switzerland
        
      World Health Organization    
    
      1999
     | 
| Pynciau: | |
| Tagiau: | 
       Ychwanegu Tag    
     
      Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
   
 | 
Nepal Health Research Council: Reference Shelf
| Rhif Galw: | 
                        WC 140/WHO/1999                 | 
  
|---|---|
| Copi Unknown | Ar gael Gwneud Cais |