http://www.emfandhealth.com/Cell%20Towers%20Alarmist%20Studies.html
Critiques of both of those studies and others are included.
tl;dr: Insufficient sample sizes, statistically insignificant findings, cherry-picking of data, and absurd conclusions (eg. a cell tower in service for only one year caused cancers with typical gestations of several years). Each study looked only at a single tower, and as the WHO says: "Over 1.4 million base stations exist worldwide and the number is increasing significantly with the introduction of third generation technology.....Given the widespread presence of base stations in the environment, it is expected that possible cancer clusters will occur near base stations merely by chance."
More details and other studies on the same site.
Critiques of both of those studies and others are included.
tl;dr: Insufficient sample sizes, statistically insignificant findings, cherry-picking of data, and absurd conclusions (eg. a cell tower in service for only one year caused cancers with typical gestations of several years). Each study looked only at a single tower, and as the WHO says: "Over 1.4 million base stations exist worldwide and the number is increasing significantly with the introduction of third generation technology.....Given the widespread presence of base stations in the environment, it is expected that possible cancer clusters will occur near base stations merely by chance."
More details and other studies on the same site.