TY - RPRT TI - Hyperpolarization- and depolarization-activated Ca2+ currents in Paramecium trigger behavioral changes and cGMP formation independently. AU - J E Schultz AU - Y Guo AU - G Kleefeld AU - H Völkel PY - 1997 DO - 10.1007/s002329900205 UR - https://pubmed.ncbi.nlm.nih.gov/9096066/ ID - 9096066 ER -