Confound those damned confounders.
J W
JW
Sleigh
D000762:Anesthesia Recovery Period; D000777:Anesthetics / Q000008:administration & dosage*; D005260:Female; D006200:Hair Color; D006801:Humans; D008297:Male; D044102:Receptor, Melanocortin, Type 1 / Q000235:genetics*
D000777:Anesthetics; D044102:Receptor, Melanocortin, Type 1