Gert-Jan van Helden Project leader / guest Name Drs. G.J. van Helden Telephone 071 5276996 E-mail g.j.van.helden@biology.leidenuniv.nl Project leader / guest Faculty of Science IBL Animal Sciences Work address Sylvius Sylviusweg 72 2333 BE Leiden Contact 071 5276996 g.j.van.helden@biology.leidenuniv.nl No relevant ancillary activities Share on Facebook Share by Bluesky Share on LinkedIn Share by WhatsApp Share by Mastodon