Hallo,
http://esciencenews.com/articles/2009/02/17/estrogen.found.increase.growth.most.common.childhood.brain.tumor (http://esciencenews.com/articles/2009/02/17/estrogen.found.increase.growth.most.common.childhood.brain.tumor)
Gruß, Jo
Hier der Abstract (http://endo.endojournals.org/cgi/content/abstract/150/3/1112?maxtoshow=&HITS=10&hits=10&RESULTFORMAT=&fulltext=medulloblastoma&searchid=1&FIRSTINDEX=0&sortspec=relevance&resourcetype=HWCIT) dazu.