Protein biomarker-based screening for detection of recombinant bovine somatotropin abuse in dairy cows / Susann Ludwig . Wageningen :  Wageningen University , 2014 . 248 s . Doktorandská dizertačná práca (PhD.). - Wageningen University . ISBN 978-94-6257-014-6 . [1, z toho požičaných 0]