TY - GEN TI - Rebuttal from Llanos et al SN - 1522-1601 PY - 2012///0605 KW - Altitude KW - Animals KW - Birds KW - physiology KW - Physical Conditioning, Animal N1 - Publication Type: Journal Article; Comment UR - https://doi.org/10.1152/japplphysiol.00821.2011c ER -