Ribeiro, Patrícia de Jesus, Ana Llonch Sabatés, and Circéa Amalia Ribeiro. 2001. “The Use of a Therapeuthic Toy As an Instrument of Nursing Intervention When Preparing the Child to Blood Collection”. Revista Da Escola De Enfermagem Da USP 35 (4): 420-28. https://doi.org/10.1590/S0080-62342001000400016.