Authors: RATKA A SIMPKINS JW

Citation: A. Ratka et Jw. Simpkins, LUTEINIZING-HORMONE-RELEASING HORMONE (LHRH) ATTENUATES MORPHINE-INDUCED INHIBITION OF CYCLIC-AMP (CAMP) IN OPIOID-RESPONSIVE SK-N-SH CELLS, Neuropeptides, 31(2), 1997, pp. 113-117

Authors: HILMER F RATKA A VAJEN K ACKERMANN H FUHS W MELSHEIMER O

Citation: F. Hilmer et al., INVESTIGATION OF A DIRECTLY COUPLED PHOTOVOLTAIC PUMPING SYSTEM CONNECTED TO A LARGE ABSORBER FIELD, Solar energy, 61(2), 1997, pp. 65-76

Authors: RATKA A FLORES BM MAMBOURG SE TORIAN BE

Citation: A. Ratka et al., LUTEINIZING-HORMONE-RELEASING HORMONE IN UNDIFFERENTIATED AND DIFFERENTIATED SK-N-SH HUMAN NEUROBLASTOMA-CELLS, Neuropeptides, 30(1), 1996, pp. 87-94