"Rigid" versus "baby-led"--no contest.
Woolridge
M W
MW
Ingram
J C
JC
D001942:Breast Feeding; D019317:Evidence-Based Medicine; D005247:Feeding Behavior / Q000502:physiology*; D006801:Humans; D007231:Infant, Newborn; D012107:Research Design; D015430:Weight Gain / Q000502:physiology*