TY - GEN AU - Silveira,Rodrigo da Rosa AU - Lejderman,Betina AU - Ferreira,Pedro EugĂȘnio Mazzucchi Santana AU - Rocha,Gibsi Maria Possapp da TI - Patterns of non-medical use of methylphenidate among 5th and 6th year students in a medical school in southern Brazil SN - 2238-0019 PY - 2016///0728 N1 - Publication Type: Journal Article UR - https://doi.org/10.1590/2237-6089-2013-0065 ER -