Studies on mammary gland involution: II. Ultrastructural evidence for auto- and heterophagocytosisHeikki J. Helminen; Jan L.E. Ericsson · 1968

Ultrastructural studies on prostatic involution in the rat changes in the secretory pathwaysHeikki J. Helminen; Jan L.E. Ericsson · 1972

Studies on mammary gland involution: I. On the ultrastructure of the lactating mammary glandHeikki J. Helminen; Jan L.E. Ericsson · 1968

Studies on mammary gland involution: IV. Histochemical and biochemical observations on alterations in lysosomes and lysosomal enzymesHeikki J. Helminen; Jan L.E. Ericsson; Sten Orrenius · 1968

Ultrastructural studies on prostatic involution in the rat. Evidence for focal irreversible damage to epithelium, and heterophagic digestion in macrophagesHeikki J. Helminen; Jan L.E. Ericsson · 1972

On the mechanism of lysosomal enzyme secretion. Electron microscopic and histochemical studies on the epithelial cells of the rat's ventral prostate lobeHeikki J. Helminen; Jan L.E. Ericsson · 1970

Ultrastructural studies on prostatic involution in the rat. Mechanism of autophagy in epithelial cells, with special reference to the rough-surfaced endoplasmic reticulumHeikki J. Helminen; Jan L.E. Ericsson · 1971