Scholar
Gate
Msaidizi
Nyanja zote
▾
SW ▾
Kuhusu
Reference
Swali na Muundo
Sampuli na Upimaji
Uchanganuzi
Usababishi na Ushahidi
Kuripoti na Maadili
Mwanzo
/
Mwandishi
Austin Bradford Hill / Medical Research Council
Mbinu zinazohusishwa na mwandishi huyu.
Mbinu 1
Epidemiolojia
1
Prospective Randomized Clinical Trial
1948