In the following years, 1755–59,he pursued further medical studies abroad, under the guidance of master Lars Brisman, including in Greifswald (Swedish Pomerania), Berlin and Hamburg.
De följande fyra åren, 1755-59, bedrev han fortsatta medicinstudier utomlands, under ledning av magister Lars Brisman, bland annat i Greifswald (svenska Pommern), Berlin och Hamburg.