Bozzola, M (Nov 2009). "The shortness of Pygmies is associated with severe under-expression of the growth hormone receptor". Mol Genet Metab. 98 (3). Travaglino P, Marziliano N, Meazza C, Pagani S, Grasso M, Tauber M, Diegoli M, Pilotto A, Disabella E, Tarantino P, Brega A, Arbustini E: 310–3. doi:10.1016/j.ymgme.2009.05.009. PMID19541519.
Bozzola, M (Nov 2009). "The shortness of Pygmies is associated with severe under-expression of the growth hormone receptor". Mol Genet Metab. 98 (3). Travaglino P, Marziliano N, Meazza C, Pagani S, Grasso M, Tauber M, Diegoli M, Pilotto A, Disabella E, Tarantino P, Brega A, Arbustini E: 310–3. doi:10.1016/j.ymgme.2009.05.009. PMID19541519.