- X-linked recessive panhypopituitarism associated with a regional duplication in Xq25-q26. Lagerström-Fermér, M., Sundvall, M., Johnsen, E., Warne, G.L., Forrest, S.M., Zajac, J.D., Rickards, A., Ravine, D., Landegren, U., Pettersson, U. Am. J. Hum. Genet. (1997)