has subject area Cell Adhesion Cells - Oocysts Complex Mixtures - Colloids Cryptosporidium parvum Investigative Techniques - Rheology Metamorphosis, Biological - Oocysts Microspheres Minerals Musculoskeletal Physiological Phenomena - Movement Organism Forms - Oocysts Organism Forms - Oocysts Particle Size Pharmaceutical Preparations - Colloids Physics - Rheology Physiological Phenomena - Movement Porosity Sewage Static Electricity