TY - RPRT TI - Electron microscope observations on form changes in photoreceptor outer segments and their saccules in response to osmotic stress. AU - A I Cohen PY - 1971 DO - 10.1083/jcb.48.3.547 UR - https://pubmed.ncbi.nlm.nih.gov/4101711/ ID - 4101711 ER -