TY - RPRT TI - Comparative analysis between cyclic GMP and cyclic AMP signalling in human sperm. AU - Birthe Willipinski-Stapelfeldt AU - Jörn Lübberstedt AU - Stephanie Stelter AU - Karin Vogt AU - Amal K Mukhopadhyay AU - Dieter Müller PY - 2004 DO - 10.1093/molehr/gah065 UR - https://pubmed.ncbi.nlm.nih.gov/15121877/ ID - 15121877 ER -