TY - RPRT TI - School-based methylphenidate placebo protocols: methodological and practical issues. AU - I A Hyman AU - A Wojtowicz AU - K D Lee AU - M E Haffner AU - C A Fiorello AU - J J Storlazzi AU - J Rosenfeld DO - 10.1177/002221949803100609 UR - https://pubmed.ncbi.nlm.nih.gov/9813957/ ID - 9813957 ER -