TY - GEN AU - Madsen,Thomas TI - Cost of multiple matings in female adders (Vipera berus) SN - 1558-5646 PY - 2011///0929 KW - Animals KW - Food Chain KW - Mating Preference, Animal KW - Reproduction KW - Sex Factors KW - Snakes KW - physiology N1 - Publication Type: Comment; Journal Article; Research Support, Non-U.S. Gov't UR - https://doi.org/10.1111/j.1558-5646.2011.01291.x ER -