-
2981
-
2982
-
2983
-
2984
Calendar method unreliable in family planning, study says
Publicado no Manila Bulletin (2001)Artigo -
2985
-
2986
-
2987
-
2988
Making sense of data a self-instruction manual on the interpretation of epidemiological data
Publicado em 2001Livro -
2989
-
2990


