If you managed to get your hands on a copy (digital or physical), focus your energy here:
If you are a student at UFRJ, USP, UNICAMP, or UFMG, check the university’s “Digital Library.” Some institutions have purchased shared licenses for graduate students.
Desenhos de estudos epidemiológicos (transversais, coorte, caso-controle).
Yes, for Epidemiology and Public Health sections, Medronho is considered the "bible." However, you will need complementary books for Family Health strategies (e.g., Duncan & Schmidt).