Do not drop: mechanical shock in vials causes cavitation, protein aggregation, and particle formation.
Randolph TW, Schiltz E, Sederstrom D, Steinmann D, Mozziconacci O, Sch?neich C, Freund E, Ricci MS, Carpenter JF, Lengsfeld CS. Do not drop: mechanical shock in vials causes cavitation, protein aggregation, and particle formation. J Pharm Sci. 2015 Feb; 104(2):602-11.