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It varies really, depending on the information you are after as well as patient population (paediatric, ICU, medical, oncology etc)!

From a paediatric stand point, besides the usual ASPEN materials (eg paediatric curriculum etc) and their journal articles, JPEN and NCP.
ESPHAGAN is really huge for paediatrics (eagerly awaiting the release of their new guidelines). If you are looking for EBM type material, it is best to consult the literature. This is my humble opinion.

Also, learnt knowledge does not replace what you learn in practice 🙂