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Spada A, Vacca G, Zunin C.Spada A, et al. Among authors: vacca g.Arch Sci Med (Torino). 1969 Mar;126(3):106-22.Arch Sci Med (Torino). 1969.PMID: 17342894Italian.
Spada A, Vacca G.Spada A, et al. Among authors: vacca g.Arch Sci Med (Torino). 1969 Feb;126(2):77-81.Arch Sci Med (Torino). 1969.PMID: 17342904Italian.
Grasso E, Ferro GF, Vacca G.Grasso E, et al. Among authors: vacca g.Minerva Med. 1967 Jan 31;58(9):258-60.Minerva Med. 1967.PMID: 4164528Italian.No abstract available.