The following is a list of resources (articles/websites/books) for research-based information on infant sleep, night time parenting, baby crying, need for nourishment and comfort at night, and physiological body and brain responses to "controlled crying", "cry it out", or "sleep training" methods. Also see psychological conditioning studies on learned helplessness (which occurs to babies whose care-givers utilize these methods).
Documents on infant feeding/breastfeeding listed by year of publication
http://www.who.int/child_adolescent_health/documents/infant_feeding/en/index.html
Képgyűjtemény az emlő különböző patológiás állapotairól.
Breast - Benign and premalignant conditions
Geneva Foundation for Medical Education and Research főoldal